We are offering watersporty gadget and swim teaching gadget, outstanding coaching tool the system consists of a poolside transmitter and several waterproof receivers. Suitable for coaches/swimmers for technique training with instant feedback on swimming splits, stroke rate, store count and technique. 3 coaches and 45 swimmers can do teamwork/multiple teaching in same pool! quick overview : * bone conduction tech: the ear canal remains free allowing simultaneous perception of other sounds. Listening is always perfect/ even in a noisy, crowded pool! * perfect for swimmer/coach technique training * instant feedback on swimming splits, stroke rate, store count and technique * 3/5 channels for multiple coaches. Multi channel function * team workouts with multiple swimmers to 1 walkie talkie. * connect to a mp3 player for a fun work out for the whole team. * no annoying ear plug head sets * easy to use - turn on, pair channels and go. * application area : swim , underwater exploration, underwater ballet. * application targets : national swim team, swim school , swim club , diving , marine . * 10 meters waterproof while underwater... What’s bone conduction? sound are decoded and converted into vibration on facial bone! directly received by cochlea----bypass eardrum. No electric-magnetic wave. Advantage of bone conduction tech： 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，even if you ear is full of water. Give swimmer clear instruction 4, perfectly used in the water or special work environment function: (1)multi channel function both the headset and walkie talkie can be used simultaneously on 3 different frequency channels enabling up to 3 coaches on the same pool deck to communicate to 3 different groups (2)real time feedback real time instruction from the coach to the swimmer has always been problematic. The swimmer could only be rectified with stroke errors after the fact when the swimmer has finished his lap. Now the coach can react immediately on wrong technique or body position allowing the swimmer to respond and cause muscle memory to set in at an early stage. (3)technique training having the ability to tell the swimmer to get their elbow up higher, no a bit more, more, that it' - helping the swimmer with learning more about special awareness which is very important. What the swimmers thinks is right is allot of the time not correct and with the device you can give them advice they need while doing the exercise. (4)stroke count, stroke rate and temp training a great option is to to give feedback one stroke rate or tempo while the swimmer is doing a swim set. They learn just what stroke they are doing as they are swim it. Have a team of swimmers using the device, you can have multiple swimmers so you can do ream work outs. Have a whole team working on the same stroke rate via a mp3 file. You can change the tempo mid length or at the end of each lap/set via a mp3 player or cell phone. (5)range the range can go up to 150m and works best up to 75m so it is perfect for any 50m swimming pool. It works best with line of sight and works up to 3m under water. (6) mp3 want to jazz up long hard training sessions? simply plug in your iphone or mp3 player and give your swim team the ability to swim to music together!
shenzhen, China 
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