Swimming Coaching Communicator Underwater Wireless 1 FM Transmitter Waterproof 10 H 902 Bone Conduction Headphone
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- Supplier: Shenzhen Risest Technology Co. Ltd.
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Product Overview
Description
1 Set H-902 Bone Conduction Headphone*10 and Free Transmitter*1 Wireless Waterproof Lightweight Swimming Coaching Underwater
Product Description
The transmitter:
Turn the Power Button to switch on or off the device.
Revolve the same button to turn up or down the volume by the guidance.
Push the Function Button to change the channel.
Plug in the microphone to enlarge the volume.
The receiver:
Push the Power Button for three seconds to switch on or off the device.
Push the Function button to change the channel.
You can change the volume to your need.
If anything went wrong, press the reset button and restart again.
The seven channel radio transmitter can give commands and communicate to everyone underwater. Just match radio transmitter to earphone channel.
Detailed Images
Application
| 1.For swimming coach: to train multiple swimmers at the same time 2.For swimmers: to listen to the coach's guidance in real time |
Specification
Receive Sensitivity | -13DBu |
Input Sensitivity | ≤200mV |
SNR | ≥82dB |
Distortion | ≤0.7% |
Ferquency range | 60Hz-20KHz |
Receive Distance | 120 Meters |
Input | DC 3.7V |
Working Voltage | 2.8-4.2V |
Speaker | Bone Conduction |
Battery Working Time | 1.5-2 hours |
Volume | can't be adjusted |
Charge Time | 4 hours |
Underwater | 10 Meters |
Packing
10 Bone Conduction Headset
1 Transmmiter( Free )
1 Microphone( Free )
1 USB Cable
1 Power Adapter
1 User's manual
FAQ
1.What are those 7 FM frequency
-- FM 76.8, 77.8, 78.8, 79.8, 80.81 , 82.8, 83.8
2.How many headsets can work with one FM transmitter?
-- FM transmitter can work with many headset, no limit.
3.If there are 3 coach and 3 group of students in one swimming pool, how can the 3 coaches talk with their students?
-- Each Coach and their students can choose one frequency, make coach and students are in one line, so that coach can talk with students, no interference.
4.Can we try a sample of one headset + one FM transmitter?
-- Sure, we accept sample order.
5.How can I place order, how can I make payment?
-- Alibaba trade assurance order is welcomed, you can place order on alibaba directly. We will send you payment link after we confirm the order. You can pay via T/T, E-checking, Credit card..
6.Can I make payment by paypal or western union?
-- Yes, we accept paypal and western union. Please send inquiry or send email to us. We will send you pro-invoice with Payment details.
7.How long is the warranty? What is the warranty range:
-- one year. Warranty range : Crash, can't charge the battery and assembly shedding. We don't offer warranty : 1) Damage caused by external forces 2) Burned using a non-original factory charger. 3) The user has opened it himself 4) Long-term charging burnout
8.Can print our own logo? Own package? What is the MOQ?
-- We can do customized logo and make customized package.
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