More Details: Operation Guide: 1. Turn on: Press the MFB button for 2s(blue indicator flash once) 2. Turn off: Press the MFB button for 3s. 3. Pairing: Press the MFB button for 5s before power on.(blue and red light flash alternately) 4. Answer\/end call: Press MFB once; Reject call: press V- button for 2s. Features: 1. Multi- points connection: can connect to two devices. 2. Smart recognition: Never hurt your hands when you touch the charging base. 3. Adopt fast charging technology. 4. Display battery level on IOS\/Xiaomi MIUI and other smartphone. Features: Some of the features will be changed due to different mobile phones, please pay attention to the actual operation. Specifications: General Specification Brand Name DACOM Model Number S017 Color Black Wearing Type In-ear Technical Parameters Bluetooth Version 4.1 Bluetooth Chip CSR8615 Transmission Distance ≥10m(without obstacles); ≥4m(obstacles). Receive Sensitivity -92dBm Speaker 10mm, 32Ω, 3mW Mic -42dB\/+-3dB Battery Capacity 80mAh Voice Prompt Chinese voice Charging Pad Voltage DC 4.8-5.5V Fully Charging Voltage About 4.2V Charging Time 1-2hours Talk Time 5-6 hours Play Time 5-6 hours Standby Time ≥160 hours Package Included: 1 X DACOM S017 Wireless Bluetooth Headphone 1 X Charging Pad 1 X Ear Hook 1 X English\/Chinese Manual