Features<br>1.Bluetooth Specification : v3.0+EDR class 2<br>2.RF Frequency Range: 2.402-2.480GHZ，2.4G<br>3.Supports Bluetooth Headset and Hands-free profiles<br>4.Operating distance:about 10 meters<br>5.Nominal charging time: Max 1.5 hours<br>Work time: about 10 hours around<br>Standby time:up to 200 hours<br>6.Impedance:32 ohm<br>7.surface treatment:UV oil<br>8.Charger adapter output: DC 5V&130mA<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-1-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-5-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-7-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-8-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5575602822bd4f1a1270f928-9-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><p style="text-align: center;">