Triple Noise Reduction. With CSR chip, triple DSP and CVC noise reduction and SIFI HiFi sound quality, which offers excellent sound quality and clear sound quality that is very suitable for on-road use without affecting driving safety. Answer Automatically There is no need to extend your hand and hold your cell phone to answer the call. The call will be answered automatically after providing your phone number. Of course you can also answer manually. Voice Assistant for Mobile Phones Double click the button to lower the volume to start the voice assistant, start your phone to play music, voice navigation faster. Long Battery Life Eliminates the problem of frequent charging. 160 hours of continuous music playback, 2-3 hours of quick charge, the battery level can be checked on the phone. IP67 Waterproof A wireless bluetooth headset that could bathe in the rain. With waterproof nano coating technology, even when it is raining, it will not damage the electronic devices. Can be worn all day. Multi-scenario Application Skiing, visiting, motorcycle travel, carrying, cycling, work. Package Include 1 x Headphone. 1 x User manual (not compatible with China). 2 x Nightmares paste + windproof cotton. 1 x USB cable. 1 x National main motor accessories. Specifications Bluetooth version: V5.0 + EDR Bluetooth point: CSR 5.0 Loudspeaker unit: 40 mm Headphone content: 9 mm. Head sensitivity: 96 dB. Frequency: 2.40 GHz-2.480 GHz Lithium-ion battery: 3.7 V / 2600 mAh Playing time: 160 hours