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Nanjing Redflag Digital Technology Co., Ltd.

Supplier From China
Dec-17-10
Supplier : Bone conduction earphones, bone conduction hearing aid

Established: 2006 Standards: ISO 9001

Verification Status



Contact Details:
Huamei Mansion
Zhongshan South Road
Nanjing 210000
Jiangsu China


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More Items Similiar to: Nanjing Redflag Digital Technology Co., Ltd.

Dec-17-10
 
Small volume and less weight communication equipment with high-performance headphones and microphone which is used in a dangerous environment. It can provide clear audio transmission under a very noisy environment.

Cardboard cartons
Weight: about 35 g.
Dec-17-10
 
1. CNS-TS-V Model is a small volume and less weight communication equipment with high-performance headphones and microphone which is used in a dangerous environment. It can provide clear audio transmission under a very noisy environment.
2. CNS-TS-V Model makes your ears completely open, so that you could hear the tiny voice around you when you are communicating with others; it is different from the traditional headphone.
3. The voice information is collected by a high sensitive oscillationpick-up which is on the head, and sent to the skull's vocal cord, the vocal cord vibration transforms the voice information into sound signal.
4. CNS-TS-V Model will not affect other head protection equipments, like the helmet and respiratory mask, etc..
5. CNS-TS-V Model is ideal communication equipment in specific tasks in the field of military, law enforcement, fire fighting, rescue, heavy industry and so on. It is easy to operate.


Cardboard cartons.
GOLD Member
May-23-24
 
We are supplying high quality earphones such as head worn style, ear canal style, blue tooth style and ear-line earphones.
Oct-08-22
 
J01 bone conduction headphone, high cost performance.
by. Shenzhen Winto technology co. ltd
Version:0.9 StartHTML:0000000105 EndHTML:0000004318 StartFragment:0000000141 EndFragment:0000004278
1.Bluetooth Version: V5.3
2.Chipset:JL7003
3.Bluetooth Profiles: a2dp / avctp / avdtp / avrcp / hfp
4.Decoder: SBC, AAC
5.Transmission Distance:10m
6.Playing Time:6H (60% volume)
7.Charging Time:2H
8.Standby Time: 200H (w/bluetooth connected);
9. Battery: 3.7V/180mAh
10.Frequency Range:20Hz~20KHz
11.Sensitivity:84�?�±3dB
12.Impedance:8�?�©
13.Dimension:135x110x43mm
14. Color: Black, White
15.Weight:27g
16.Speaker type: Bone conduction transducers
17.Material:Hypothermia Titanium alloy &PC & Silicon
18. Waterproof : IPX5
Feb-04-13
 
Where it can be used?
It's perfectly used in the water or special work environment, such as underwater training spot or swimming center and surfing on the water. With the little gadget the couch do not have to shout at the trainee all the time, Its absolutely easy to use, just speak to your trainee or partners with the normal voice-volume to the boxes or the earphone

What's bone conduction?
Sound are decoded and converted into vibration on facial bone! directly received by cochlea----bypass eardrum. No electric-Magnetic wave.
In general, we believe listening to humans voice or the sound of music with ears only. But with the technology, the voice& sound generally transmitted by bone vibration, described as the bone conducted sound.

Advantage
1,Let ear absolutely free at the same time, you can still enjoy your normal conversation and listening to the surrounded sounds without removing the bone conduction headset
2,Hearing aid and protection, ok for people with hearing loss and impairment, and help prevent hearing deduction/loss
3,Even in high noise condition, you can hear the clear sounds by the use of ear plugs for the protection
4,perfectly used in the water or special work environment

Function introduction:
Suitable for entertainment enjoyment in life under the water
Through a wireless host may lead various formats music
Under the water by means of a bone conduction, the closed state change in the water, children can get refreshing and fatigue resistance
In bad listening environment he can improve the security of command
It is underwater coaching assistants, solve past call things that break the throat
Applications: swimming, underwater exploration, underwater ballet, deaf and dumb school sailing

Parameters:
Modulation: FM
Receiver sensitivity: -113dBm
Input sensitivity: < 200mv
Noise-signal ratio: > 82dB
Distortion rate: less than 0.7%
Audio FM between: 20Hz to 20kHz
Loudspeaker: bone conduction transducer
10 meters under water work
Receiving distance: in 120M
Power supply voltage:3.7V DC
Port: built-in mini DC port
Size:65mm(L)x46mm(W)x12.5mm(H)
Net weight:55g
Receiving sensitivity:-5dbu

Remark: this item contents only 3 frequency-modulations only and can be up to 7 FMs, one walkie talkie can speak to 15pcs headset(select the light with same color in using)


Blister packing with 4 color printed backcard,with English instruction,GW:210g/pcs,packing size: 20cmx10cm
Oct-08-22
 
BC300 bone conduction headphone, 8H playtime
by Shenzhen Winto technology co ltd
1.Bluetooth Version: V5.2
2.Chipset:BK3296
3.Bluetooth Profiles: A2DP/HFP,HSP,AVRCP,GAVDP,AVDTP
4.Decoder: SBC, AAC
5.Transmission Distance: 10m
6.Playing Time:8H(60% volume)
7.Charging Time:2H
8.Standby Time: 200H (w/bluetooth connected);
9. Battery: 3.7V/180mAh
10.Frequency Range:20Hz~20KHz
11.Sensitivity:86±3dB
12.Impedance:8 13.Dimension:142x105x42mm
14.Weight:around 32g
15.Color:Black,White, Gunmetal
16.Speaker type: Bone conduction transducers
17.Speaker size: 15*12mm
18. Material: Hypothermia Titanium alloy &PC & Silicon
19.Voice assistant: Compatible with Siri & Google assistant
20. Waterproof: IPX7
Oct-08-22
 
BC200 bone conduction headphone, Bluetooth V5.2, 7-8H playtim e from Shenzhen Winto technology Co., ltd
1.Bluetooth Version: V5.2
2.Chipset:BK3288
3.Bluetooth Profiles: A2DPv1.3 AVRCPv1.6  HFPv1.7
4.Decoder: SBC, AAC
5.Transmission Distance: 10m
6.Playing Time:7H(80% volume)
7.Charging Time:2H
8.Standby Time: 200H (w/bluetooth connected);
9. Battery: 3.7V/180mAh
10.Frequency Range:20Hz~20KHz
11.Sensitivity:83.5 ±3dB
12.Impedance:8 13.Dimension:140x112x43.5mm
14.Weight:around 32g
15.Color:Black,Blue,Red
16.Speaker type: Bone conduction transducers
17.Speaker size: 16.2x5mm
18. Material: Hypothermia Titanium alloy &PC & Silicon
19.Voice assistant: Compatible with Siri & Google assistant
20. Waterproof: IPX7
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Headphones, grade A

$5 - $20 / Carton (CIF)
MOQ: 100  Cartons
 
Good quality Headphones
Being the OEM supplier for many major brand names in the world, we produce more than half million pieces headsets per month. Our knowledge in speakers, receivers, microphones and also shielded cables have led us to make the right headsets of different specifications to different applications in telecommunication and multi-media market
Dynamic receiver -
Impedance : 32 ohm
Spl : 102 db/mw
Nominal power : 20 mw
Maximum power : 35 mw
Freq. Response : 160 - 10k hz
Ecm microphone
Impedance : <=2.2k ohm
Sensitivity : -42 db/pa
Freq. Response : 100 - 16k hz

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