This Motorcycle Helmet BT 5.0 Headset supports connecting 2 phones, auto answering phone calls and waking up voice assistant, giving you a safe driving experience with music around you. Besides, with built-in 900mAh battery, you can use it up to 70hrs.<br/>Feature:<br />Wide Compatibility<br />The headset and the fastening clamp are detachable, suitable for open face or full face motorcycle helmets.<br/>Adjustable Fastening Clamp<br />It can be adjusted up and down or to some specified angles to fulfil your need. <br/>Noise Reduction<br />It can identify the audio source when making phone calls to effectively shield background sound to offer you high-quality sound.<br/>Auto/ Manual Answering<br />When a phone call is coming, it will report the number first, then auto answer the phone call. And you can press power button to decline. Or you can quickly double click “-” button to switch between manual and auto answering.<br/>Support Connecting 2 Phones<br />It supports connecting 2 phones at the same time, no need to reconnect another device. <br/>Wake Up Voice Assistant<br />Double click Volume &#43; button quickly to wake up voice assistant to finish intended operation. <br/>Specification:<br />Model: Q7s<br />BT version: BT 5.0<br />Operating distance: 10m<br />Driver unit: 30mm 16Ω<br />Battery capacity: 900mAh<br />Working duration: 70hrs<br />Charging voltage: USB 5V<br />Charging time: 2-3hrs <br />Waterproof level: IP67<br />Package size: 146* 117* 31mm/ 5.75* 4.61* 1.22in<br />Package weight: 150.6g/ 5.31oz<br/>Packing list:<br />1 * Motorcycle Helmet BT Headset<br />2 * Fastening Camps<br />1 * Charging cable<br />4 * Velcro<br />1 * User manual