Avantalk New CS2 Slim Bluetooth Stereo Headset Handsfree Headphone for cellphone and any bluetooth device w/clip up to 6 hours

Features: 1). Crystal clear sound for communication and excellent Stereo sound for music entertaiment 2). Next/previous song function 3). Elegant private tooling 4). Extended operation range - 20m 5). One touch pairing, easy to use 6). High-end retail packing Specifications: 1). Bluetooth V1.2 2). Chipset: CSR BC03-Mutimedia Single Chip 3). Support A2DP and AVRCP Stereo & Remote 4). Class 2, 20 meters (extended) 5). Talk time: up to 6 hours 6). Standby time: up to 5 days 7). Size: 50*23*18mm 8). Weight: 17g 9). Indicator: LED (Blue & Red) 10). Battery: 130mA Rechargeable lithium battery Function: Switch on / off Pairing Answer/end/reject a call Call redial, Voice dialing, call waiting Volume adjustment Transfer a call between mobile and headset Seemlessly transfer between the call and music What's in Box: 1). Avantalk stereo clip on headset 2). USB charging cable 3). User manual