FREQUENCY - 7678 Anuncios

Domingo 13 octubre 2019

Cantidad : 8000PCS - Precio : 3-50USD

These hearing aids are programmed before producing, and the only difference with programmable hearing aid is that once it produced, it can't be programmed again. And some of the non-programmable hearing aid have trimmer window, which can control "MPO" and "NH", like JH-D10 and JH-D18...

Domingo 13 octubre 2019

Digital hearing aid is a hearing device that receives sound and digitizes it (breaks sound waves up into very small, discrete units) prior to amplification. And it built-in intelligence that allows them to discern between soft, but desirable sounds and louder, but unwanted noise...

Domingo 13 octubre 2019

Cantidad : 8000PCS - Precio : 3-50USD

Are you looking for a bluetooth style hearing aid? A traditional simply makes the sound wave larger to amplify sounds. The conventional portable hearing aids are designed with a specific frequency response based on the listener's audiogram. In turn, the audiologist directs the manufacturer...

Domingo 13 octubre 2019

Cantidad : 8000PCS - Precio : 3-50USD

Specification of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier Max Sound Output 130±3dB Sound Gain 40±5dB Total Harmonic Wave Distortion 500HZ<3%</span> 800HZ<5%</span> 1600HZ<1%</span> Operation Current/mA...

Domingo 13 octubre 2019

Cantidad : 8000PCS - Precio : 3-50USD

Specification of JH-907 ITE Mini Hearing Aid Hearing Amplifier Max Sound Output 120 ± 5dB Voltage 1.5V Sound Gain ≥35dB/28 Battery size A10 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 100 Operation Current ≤6mA Operation current/mA 3.5 Frequency...

Domingo 13 octubre 2019

Cantidad : 8000PCS - Precio : 3-50USD

Specification of JH-351R BTE RIC FM Rechargeable Hearing Aid Hearing Amplifier Max Sound Output 125±3dB Noise ON ≤20dB Sound Gain 40±5dB Battery size 3.7V 30mAh Built-in lithium batter Total Harmonic Wave Distortion 500Hz <= 3.1%</span> Working current ≤2.5mA 800Hz ...

Domingo 13 octubre 2019

Cantidad : 8000pcs - Precio : 3-50

Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier Product name Rechargeable ITE hearing aids sound amplifier Title of commodity/item number Rechargeable hearing aid/JH335 Color Beige/optional colors Frequency range 200Hz-7000Hz Total harmonic wave...

Domingo 13 octubre 2019

Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥50dB/51.5 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation ≤4mA Operation current/mA 6.9 Current Frequency...

Domingo 13 octubre 2019

Cantidad : 8000pcs - Precio : 3-50usd

Specification of JH-233 Body Worn Pocket Ear Sound Amplifier Hearing Aid Max Sound Output 131 ± 5dB Voltage 1.5V Sound Gain ≥55dB/58.9 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation Current ≤4mA Operation current/mA 6.9 ...

Sábado 12 octubre 2019

Cantidad : 1set - Precio : 300000usd

With the development automation technology, automatic welding technology is more advanced. Automatic welding machine plays an important role in the application of various industries, and its application is expanding rapidly. In the modern industrial production, the mechanization and...

Viernes 11 octubre 2019

Cantidad : 200 sets - Precio : USD3300

Standard Closed sealer housing Intuitive operator guidance on the button/touch panel Integration of all identification systems Printed mark identification & measurement of bag lengths Use of different heat sealing and welding instruments Minimal time required when changing rolls...

Viernes 11 octubre 2019

Cantidad : 200 sets - Precio : USD3300

Powder/Granule+Liquid/Paste 2 in 1 Packaging Machine Powder + Liquid Powder + Paste Granule + Liquid Granule + Paste Technical parameter Standard Closed sealer housing Intuitive operator guidance on the button/touch panel Integration of all identification systems Printed mark identification ...

Jueves 10 octubre 2019

Are you looking for the domestic passenger lifts or small house lifts? According to house structure door-opening requirements, backpack frame style or portal frame style elevator structure for your choice. VVVF drive technology special-purpose micro-computer panel control, smooth and comfortable...

Jueves 10 octubre 2019

We are the world leader in radio frequency (RF) creasing. While other methods produce clear plastic boxes with stiff or fragile scores and sharp edges, our proprietary Soft Crease scoring technology uses RF energy to cause a controlled displacement of material from the score lines...

Lunes 07 octubre 2019

Cantidad : 100 units - Precio : USD60

Ubicación : 3F, Building 1,BZone,Nanfengcheng Industrial Park,11th Business Road, Shilong Community Shiyan Street, Baoan District, Shenzhen, 518000 Shenzhen, Persona a contactar : Tony Ge, +0086 135 9035 1934

Martes 01 octubre 2019

Petrol-driven post driver is designed for one man operation. Bycon DPD-80 with max. 80mm capacity, has 4 piling sleeves for small size posts. Lightweight and compact design with high grade material, it is the best choice for your farming, vineyards, lands Bycon DPD-65 with max. 80mm...

Martes 01 octubre 2019

BYCON DGH-49 with 2-stroke, 49CC petrol engine is a heavy-duty jack hammer. Its large power allows for maximum force as large as possible. It is mainly used in breaking concrete, stones, and other hard material. Widely used in tearing up foundations, ripping up driveways, demolishing...

Martes 01 octubre 2019

Cantidad : 10SETS - Precio : 1000CNY

The membranes high-frequency welding equipment in Liaoning Yufei company is created with our customers for our clients. It's perfect for production enhancement. It can be also used for mending tarpaulins, inflatables or waterbeds. High frequency canvas membrane structure welding machine...

Martes 01 octubre 2019

Cantidad : 10SETS - Precio : 1000CNY

The scope ans application of high-frequency welding machine in Liaoning Yufei company for treadmill and conveyor belt, treadmill belt, side wall, profile and conveyor belt welding machine. There are some features of hf welder as follows. The first is that this machine is specialized...

Martes 01 octubre 2019

Cantidad : 10SETS - Precio : 1000CNY

Blister packaging is an inexpensive option for creating packages that are durable, transparent, and tamper proof. We make a variety of shapes and can custom design a blister pack that will showcase your product in the best possible manner. Although we strive to provide our customers...

Martes 01 octubre 2019

Cantidad : 10SETS - Precio : 1000CNY

It is an advanced process method to dry and mold the insulated board with the high-frequency electric field. This production method has many obvious advantages compared with the traditional steam, electric drying, and hot air processing methods. The high-frequency drying equipment...

Martes 01 octubre 2019

Cantidad : 10SETS - Precio : 1000CNY

The scope of inflatable product high-frequency inflatable welding machine in LiaoningYufei company can be used as follows: inflated Toys welding medical bag Welding ; Air bag Welding; Raincoat Rain Gear Welding; Handbags Welding; Stationery stickers Welding; Leather Embossing...

Martes 01 octubre 2019

Cantidad : 10SETS - Precio : 1000CNY

Are you looking for rf welding supplies? We have rf welder for sale! Mainly application of Industrial Belt Welder Used for industrial belt skirt and belt baffles welding, welding industrial conveyor belt conveyor belt, joint, cutting, slitting, conducting bar, package edge; And running machine...

Martes 01 octubre 2019

Cantidad : 10SETS - Precio : 1000CNY

Equipment Description of High Frequency PVC Door Curtain Welding Machine UNIFY's consistent superior quality has been upheld. The width of fully automatic magnetic curtain heat sealing equipment generally ranges from 150mm to 750mm, which can be adjusted and customized. The whole...

Martes 01 octubre 2019

Cantidad : 10SETS - Precio : 1000CNY

Are you lookinng for high frequency welding machines for sale? The theory of radio frequency sealing equipment: Under the effect of the high frequency electric field, the positive and negative charges of the substance to be heated displace to form electric pole polarons. The polarons...

Lunes 30 septiembre 2019

We have wire straightening and cutting machine for sale! Wire Straightening and Cutting Machine GT3-7(automatic wire cutter machine) fast in straightening and cutting: Our product could reach a highest straightening and cutting speed of 100m min, 3-4 times that of domestic similar products...

Lunes 30 septiembre 2019

The product has engineering design and satisfies the traffic exposure criteria, addressing operators' main concerns of the frequency of site visits and efficiency of network operations Ubicación : Unit 2, No. 374, North Mofateh St, Tehran, Iran, 1587966114 Tehran, Persona a contactar ...

Viernes 27 septiembre 2019

Ceramic Nanofiltration membrane is relatively recent membrane filtration system, with the purpose of softening and removal of disinfection by-product precursors such as natural organic matter and synthetic organic matter. More ultrafiltration membrane system details here! CHARACTERISTICS...

Viernes 27 septiembre 2019

The SS ceramic membrane module is designed by different applications. Stainless steel could be used as the material of module/housing, that is, ss membrane housing. JIUWU company could produce the extra large stainless steel membrane housing as customer demand, such as loading over...

Viernes 27 septiembre 2019

Cantidad : 1-2000 uni

NOMBRE: barrera de la puerta MATERIAL DEL MOTOR: Aluminio de fundición COLOR: azul, naranja y blanco APLICACIÓN: Área de gran tamaño de la circulación GABINETE: acero plateado cinc de 2m m USO: Seguridad de tráfico por carretera GARANTÍA: 1 año FUNCIÓN: Arriba durable...