A great device for enjoying walking, running, cycling or other activities. The kit is essential when you want to talk on the phone while driving. Suitable for all mobile phones with Bluetooth function. The flexible ear holder allows the handset to comfortably fit any ear shape. You can answer, end calls using the built-in button. According to the manufacturer, the built-in rechargeable battery allows up to 10 hours of talk time or 300 hours of standby time. The hands-free headset has a range of up to 10 meters, making it very easy to use. It is very easy. TECHNICAL DATA: Built-in control buttons Built-in LED Battery: Lithium polymer Talk time: up to 10 a.m Standby time: up to 7 days Connectivity: Bluetooth 4.1 + EDR + A2DP Bluetooth HD Voice Profile: Voice calls + multimedia sounds (e.g. listening to music and GPS notifications) Support for two devices Operating distance: up to 10m