No wires. Enjoy perfectly synchronized true stereo with no echo or imbalance. Stream music from your Bluetooth device, or directly from the onboard music playerIntegrated sensor technology tracks your work-outs; Mini-computer processor is software updateable. Audio Transparency allows you to hear the world around you, while The Dash is in your ears. The Bragi KUI supports MyTap and MyControl, which enable The Dash to respond to your body movements.Listen to music while you swim. Waterproof up to 1m/3ft. With our exclusive PerfectFit design, The Dash stays secure and comfortable.Power through your day! Recharge up to 5 times on the go with your portable charging case. Approximately 4 hours of power per charge