Underwater Streaming Headphones Hand Cart Power Supply: Features our battery

Power Supply:  Features our battery box with a 24V (60Ah) Lithium-Ion rechargeable marine battery

this opens up a powerful new way to teach: give real-time cues and corrections while the swimmer is actively swimming

High-Power Charger:  Powerful charger with a standard 110V outlet plug

Bluetooth Mode (out of water) – use them like normal wireless headphones for music

Adjustable speed dial built into the battery box

Underwater Streaming Headphones Hand Cart Power Supply: Features our batteryUnderwater Streaming Headphones Music, Coaching, and FeedbackEven While You Swim These dual mode underwater streaming headphones are designed specifically for swimmers and coaches who want more from every session. Using bone conduction technology, sound is transmitted through your cheekbones rather than your ear canalkeeping ears open and awareness intact while delivering clear audio both in and out of the water. Switch between two modes: Bluetooth