Features: simple and elegant design voice reminder: switch calls, low battery support for multi-point connection, you can connect two phones, one for two; call voice reporting Voice Control Bluetooth Headset: a call comes in, the headset and other reported number is completed, you just say "YES" answer, if you do not want to answer, you just say "NO", the phone will automatically reject; down song cut song, a key music playback, pause control, volume control, ears, one with two, automatically connect to mobile phones and other functions; built Britain CSR8610V4.1Specification: Material:PVC Appearance Craftwork: environment-friendly piano baking varnish Power: 12.45GHZ/S Compatible with all smart phone Charging Time: 1-2hrs Playing Time: 4-6hrs Net Weight: 7gPackage include: 1 x Bluetooth headset 1 x USB charging cable