Retekess TT120 Swimming Coach Communicator, IP68 Waterproof Swimming Headphones, Bone Conduction, 120M, Wireless Underwater Communication Unit for Swimming Coaching (2 Transmitters 7 Receivers)

RETEKESS TT120 communications systems for swimming training with a far communication distance and long battery life, it supports 9 channels and boasts simple operation, including one-button mute functionality and external audio input. It offers the convenience of both an built-in microphone and a standard lapel microphone, giving you two options for use. This ensures that every training session you have is highly efficient.

• Unmatched waterproof design; with the receiver boasting IP68 for full submersion; transmitter featuring IP54 for splash and drop resistance; swimming communication system offer unparalleled waterproof performance
• 120m water surface range; 50m underwater range; you're always within range; no matter where your training or events take you
• Anti-slip design; bone conduction headphones of radio set for swimming training feature an anti-slip ear hook design that does not enter the ear canal; ensuring they stay securely in place during swimming training and providing comfort for extended wear
• Increased efficiency; transmitter working 10h; receiver working 5h; radio set for swimming training with its long battery life; increases overall efficiency; this allows instructors to spend more time teaching
• Uninterrupted communication; support 9 channels; radio set for swimming training ensures no one interrupts communication; communicate clearly and effectively; stay connected and focused