Cannice Muses 2C Neckband Wearable Headsets Headphones Wireless Stereo Bluetooth 4.0 Earphones Earbuds with APTX Noise Reduction Echo Cancellation Sweatproof Vibration Alerts Multi-pairing - White Enjoy your music evertwhere you go. The new style of wearable headset - Unlike other wireless headsets that are worn on the head, Muses2 offers a new style to wear around your neck. Is lightweight, comfortable design that can be worn anywhere and enjoy an active life style. Amazing design and innovative technology-intensive - You can feel like a comfortable workout wear or not to wear even during long periods of time with an ergonomic desgin. Low-power, high data rate Bluetooth 4.0 can be applied up to 18 hours of continuous use. 18 hours working without recharging, bluetooth 4.0 6th generation CVC noise reduction technology - Efficient CVC noise reduction technology and echo cancellation technology and naturally you can hear clear sound. By filtering unwanted background noise and deliver to the other party a clear vocie during a call. / Essential features for active you - Waterproof. You do not need to worry about sweat flowing when jogging or hiking. Please exercise as you want! Amazing audio performance - Frequency response curve &gt; Chronic problem has improved frequency response of the wireless headset and innovative. Titanium diaphragm produced by special order of 6 microns while taking advantage of the high quality and detail tells a rich and clear sound of the bass. / A simple call and music control - Adopted by the button-type controller, be easily worn on the neck of music playback / pause / volume control / call is convenient. Bluetooth 4.0 - Bluetooth 4.0 supports up to 300 hours of device communication 1000/1 dash time and within seconds, a low energy consumption. / Long Battery Life - Music playback time up to 18 hours, 300 hours standby time. / Waterproof function - You do not have to worry about sweating during exercise. (Flooding is not waterproof) / Alim vibration function - Do not plug in the headset's ear earphone, headset when a call comes the body is vibrating. / Multi-pairing -Multi-pairing technology allows you to talk and neither of the two phones. The connection of two devices at the same time as possible.