Beginner Swim Training H903 Waterproof Bone Conduction Headset Wireless 7 channel 300 meters Receiving Range Swimming Headphones

H903 Swimming Headphone is for swimmer, it works with H-900 transmitter

1. 7 Channels

2. 200 meters distance from Headphone to transmitter.

3. One coach can talk to many swimmers as long as they are in same channels.

4. The coach can pre-record the audio to mp3 player , and connect with transmitter by a audio wires and play

5. The headphone is waterproof , can be for all age group.

This is a new audio technology for water sports. 

The world's only wireless waterproof products for real-time coaching.
The best way to play music and guided workouts underwater.

1. Bone conduction technology-- The H-903 headsets transmit audio through sound vibrations instead of ear buds, providing a safer and more comfortable solution in aquatic environment.

2. Range-- The transmitter broadcasts high-quality audio up to 10m below the surface at a distance of at least 120m.

3. Wireless-- Equipped with radio frequency, both the headset and the transmitter are completely cord-free.

4. Battery-- Optimized for power efficiency, on a single charge the headset lasts 8h and the transmitter lasts 16h.

Features:

Streamlined for comfort and fit
Lightweight-- compact and ergonomic
Waterproof-- Ocean, pool, lake, river
7 frequencies-- to coach different athletes on different frequencies

1. Why does it have 7 frequencies?
-- It is for the convenience of the coaches to train multiple swimmers at the same pool.

2. How many athletes can operate on 1 channel?
-- Each frequency can support many swimmers at the same time with no limits.

3. How does this system work?
-- The coach can use the FM transmitter to talk to swimmers on different channels.
The headsets send the sound vibrations to the athletes through bone conduction technology.

4. What makes this system special?
-- It helps the coaches to take control of several different groups of swimmers at the same time and talk to them directly, no need waiting for them to come back from the other side of the deck.

5. How does it help the swimmers?
-- The swimmers can hear the coach's guidance in real-time.

6. How long can the battery work?
-- It takes 4h to fully charge the transmitter and can be used for 3h continuously.
The headsets can be used for 2h between charges and needs 2h to fully charge it.

7. How can I buy 1 transmitter and 1 headset to test?
-- You can place order on Alibaba directly or send an inquiry to us.

8. What payment way do you offer for new customers?
-- We can accept bank transfer, paypal, moneygram, western union, etc.

9. What about its warranty range?
-- We offer 1 year warranty. We will repair the device for free if it has functional default. Not free for those are broken by human error.

https://www.alibaba.com/product-detail/Wireless-Waterproof-1000m-Receiving-Range-Bone_60840471669.html?spm=a2747.manage.component-market-list-item.2.43b771d2tYPq9P

https://www.alibaba.com/product-detail/Chinese-Manufacturer-Waterproof-Bone-Conduction-Headphones_60835926858.html?spm=a2747.manage.component-market-list-item.2.43b771d2tYPq9P