ITEM NAME:YCH-06 Bluetooth Earphone Magnetic Headphones Waterproof Headset (Black) A#S Product Description Description: YCH-06 Universal Wireless Bluetooth Earphone Magnetic Headphones Waterproof Sports Stereo Headset for Mobile Phone Feature: 1. Magnetic Sports Bluetooth hands-free headset provides you with a quiet and comfortable listening experience, specially designed in-ear, giving you ultimate comfortable wearing. 2. Wireless Bluetooth, VC 6.0 noise reduction, copper ring horn, more clear and stable sound quality, while liberating your hands, to maintain maximum comfort. 3. The horn ear hanger is designed to effectively enhance stability, and effectively prevent headphones from falling in motion. 4. Super strong waterproof, no fear of daily rain, sweat. Function: 1. Play music and music switch. 2. Chinese and English speech switching. 3. Call voice number function. 4. Last number redial. 5. Operating voice prompt function. 6. IOS system displays electricity. 7. Support WeChat, vehicle navigation, QQ voice and other software. Specification: Model: YCH-06 Color: Black Bluetooth chip and Bluetooth version: Jerry Bluetooth 4.1 Bluetooth protocol: A2DP AVRCP HFP HSP Battery: 3.7V 75mAh Charging power: 5V/80mAh Sensitivity: 105Â ±5dB Impedance: 32Mw Response frequency (Hz):20-20Khz Transmission distance: barrier free 10m Frequency: 2.4GHZ Call time: about 3 hours Listen to the song time: about 4 hours Standby time: about 180 hours Wire length: 65 cm/25.59'' Weight: 30g System state: 1. Start and turn off: long press the boot for 3 seconds. 2. Entry pair: boot up, automatically enter the pairing state. 3. Switch in English and Chinese: in Bluetooth search mode, press "+" and boot button at the same time. 4. Playback, pause: short press boot key. 5. Music switch: play music status, press "+", "-". 6. Volume and subtraction: click "+" "-". 7. Answer the phone: short press the boot button when you call. 8. Refusing phone: long press boot button when calls coming. 9. Last .Magnetic Sports Bluetooth hands-free headset provides you with a quiet and comfortable listening experience, specially designed in-ear, giving you ultimate comfortable wearing. Bluetooth chip and Bluetooth version: Jerry Bluetooth 4.1.