BOOKS - 945 Anuncios

Lunes 08 julio 2019

The feature of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier 1. Modeling exquisite, the button is obvious, easy to operate; 2. Open fit hearing aid can change the ear tube as you need, comfortable wear; 3. Corresponding uncomfortable threshold...

Lunes 08 julio 2019

Features of JH-158 BTE Style Ear Amplifier Cheap Hearing Aids 1. BTE external hearing aid with lightweight is comfortable wearing in either ear; 2. Simple operation for everyone, no matter young and old; 3. Corresponding uncomfortable threshold properly adjust the maximum output,...

Martes 11 junio 2019

Generally speaking, many importers buy products from Chinese fairs, Alibaba, or market in Guangzhou, but you can only attend the fairs in specific times, and there are so many suppliers on Alibaba, some do not have enough experience for the business. Also, the market in Guangzhou...

Viernes 07 junio 2019

Cantidad : 1 - Precio : undetermined

GKW970 Micro Powder Mill is a new modified superfine powder mill developed by our R&D team for grinding 400-1250 mesh powder based on client's need.It is mainly used for grinding non-flammable and non-explosive materials, whose hardness below seven Moh's hardness following humidity below 6%...

Miércoles 05 junio 2019

Raw Materials Japan AGC Glass with 0.33mm thickness Japan explosion-proof AB glue South Korean imported Coating Processing Methods Imported high quality glass raw materials Etched glass shape and hole Tempered glass processing Vacuum plasma coating to anti-fingerprint on glass surface...

Lunes 03 junio 2019

The feature of JH-D19 Digital IP65 Waterproof BTE Open Fit Hearing Aid Hearing Amplifier 1. 4 Channel digital waterproof hearing aids for swimming , 4 modes for the different environment (Normal, Noise Reduction, Indoor, Outdoor); 2. Rocker Switch, it is convenient to control the volume; 3...

Miércoles 15 mayo 2019

- Staple Making Machine - Staple production line totally has three machine: Wire flattening machine, Wire gluing machine and staple forming machine. Our machine can produce different size of staple pin which is used for office and industry ( home decoration, furniture manufacturing...)

Jueves 04 abril 2019

In the 1980s, flexographic printing technology OF slitting machine manufacturers in china developed rapidly.The performance offlexographic printing machine china, the processing precision of the ink roller and the resolution of the plate are improved obviously. The quality of the...

Miércoles 06 febrero 2019

Custom logo A4 plastic office school pocket file folders Product information Item no: BSPFF180701, Size: A4/letter size or as your request, Material: PP(polypropylene)&PET, Style: Presentation display books, Color: Blue,black,yellow,green,etc., Pocket option: 10P/20P/30P/40P/50P/60P/80P/100P/...

Viernes 25 enero 2019

Howeasyboard LCD electronic tablet is not limited to the use of people, and it is very novel for children or adults painting, writing, interactive communication. LCD electronic tablet has become a must-have product for every family, writing and drawing, memo records, and a wide range of uses...

Viernes 25 enero 2019

The principle of the liquid crystal tablet is to utilize the characteristics of the bistable liquid crystal. When the pressure acts on the surface of the liquid crystal screen, the track can be recorded and only a weak power is required when the drive is refreshed to achieve low power...

Sábado 19 enero 2019

Date: 19-21 September 2019 Venue: Impact Exhibition Center,Bangkok, Thailand Sponsor: Guangdong Grandeur International Exhibition Group Co.,LTD Duration: Once a year In 2019, ASEAN (Bangkok) Toys and Preschool Expo is the only professional entertainment equipment event in Thailand...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-361 Rechargeable Portable BTE Hearing Aid Hearing Amplifier - Frequency Range: 200-6000Hz Total Harmonic Wave Distortion: 500Hz <= 0% 70dB</td> 800Hz <= 1% 70dB</td> 1600Hz <= 0.8% 65dB</td> Reference Test Gain: Target 43...

Miércoles 22 agosto 2018

- Specification of JH-158 BTE Style Ear Amplifier Cheap Hearing Aids - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current Frequency...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-116 Personal Sound Amplifier Behind The Ear Hearing Aid - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - 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...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- 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...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-909 Rechargeable ITE Hearing Aid Hearing Amplifier - Highest sound pressure level for input SSPL 90dB 126 ± 3dB Equivalent input noise level: ≤32dB Max. Output sound level gain: 35±5dB Reference Test Gain: 30±5dB Average Saturation Output(HF-Average SSPL 90)...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-905 Rechargeable ITE Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.2V Sound Gain ≥35dB Battery size Total Harmonic ≤5% Battery capacity/Mah 40 Wave Distortion Operation ≤3mA Operation current/mA 1.2 Current Frequency...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- 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...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - 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...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-900a ITE Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/49.4 Battery size A312 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 160 Operation Current ≤4mA Operation current/mA 1.6 Frequency...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-906 ITE Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.5V Sound Gain ≥35dB Battery size AG3 Total Harmonic Wave Distortion ≤7% Battery capacity/Mah 43 Operation Current ≤6mA Operation current/mA 1.7 Frequency Range 200-4000Hz...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-339 USB Rechargeable BTE Hearing Aid Hearing Amplifier - Max Sound Output 128 ± 3dB Noise EIN <26dB</td> Sound Gain 95±3dB Battery size NI-MH rechargeable battery Total Harmonic Wave Distortion 500Hz <= 3%</td> Working current 3...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-338 BTE USB Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 128 ± 3dB Noise EIN <26dB</td> Sound Gain 95±3dB Battery size NI-MH rechargeable battery Total Harmonic Wave Distortion 500Hz <= 3%</td> Working current 3...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-337 BTE Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.2V Sound Gain ≥35dB Battery size NI-MH Rechargeable battery Total Harmonic Wave Distortion ≤10% Battery capacity/Mah 40 Operation ≤4mA Operation current/mA 1...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-351R BTE RIC FM Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 125±3dB Noise EIN ≤20dB Sound Gain 40±5dB Battery size 3.7V 30mAh Built-in lithium batter Total Harmonic Wave Distortion 500Hz <= 3.1%</td> Working current ≤2...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-351O BTE FM Open Fit Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 125±3dB Noise EIN ≤32dB Sound Gain 36±5dB Battery size 3.7V 30mAh Built-in lithium battery Total Harmonic Wave Distortion 500Hz <= 3.1%</span> Working current...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-351 BTE FM Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB Battery size Built-in lithium battery Total Harmonic Wave Distortion 500Hz <= 3%</td> Battery capacity/Mah / 800Hz <= 5%...

Miércoles 22 agosto 2018

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-301R BTE FM Balanced Armature Loudspeaker RIC Open Fit Hearing Aid / Hearing Amplifier - Max Sound Output 120±5dB Sound Gain ≥40 dB Total Harmonic Wave Distortion ≤10% Frequency Range 250-5000Hz Input Noise ≤32dB Voltage D.C. 1.5V Current ≤3...