ZVOX Audio SoundBase 350 24"Sound Bar with Built-In Subwoofer, Bluetooth, AccuVoice IPX7 Anti-sweat and Waterproof Design: IPX7 anti-sweat and waterproof design: Adopting low-pressure plasma nanotechnology to block external materials from invading the bluetooth headset's internal circuit, neither water vapor nor sweat can damage the headphones. Suitable for exercise, gym, running, hiking, cycling and sports. Excellent Sound Quality: The latest Bluetooth 4.1 CSR technology and the most advanced acoustic components, SRS audio processing and professional tuning. With a spatial stereo field and a unique sound cavity structure, the sound quality is clear and natural. The treble is clear and bassy full, giving you better listening enjoyment. Automatic Noise Reduction System: Bluetooth earphone built-in noise reduction system and equipped with high-definition microphones, small noise interference, low distortion of the call and music, can ensure a clear call. You can enjoy wonderful music in a noisy place. WIRED/WIRELESS CONNECTIONS: 4.1 Bluetooth (effective distance:15 meters/49 feet)offers seamless streaming from Bluetooth-enabled mobile phone, tablet, or computer, great long distance. Remote or button control: Dual operation modes for convenience offers high grade convenient One button control and a remote.