How to use:
Press the power button(the BLUE part) for about 5 seconds until blue-red light flashes quickly
Then turn on the Bluetooth function of ur cellphone and search devices
Pair with this device and input the code "0000"(If asked)
Pair successfully when indicator stop flashing

Package Includes:
1PC Bluetooth Wireless In-Ear Stereo Headphones Waterproof Sports Headphones

• The use of distance: 10m. The latest Bluetooth 4.1 technology.
• Play music:6 hours. Charge hours: 1-2 hours. Standby time: 120 hours.
• Power input: DC5V / 200mA. Noise: CVC6.0. Voice prompts: Support.
• The song: Support. Agreement: HFP HSP A2DP AVRCP APTX.
• Function: call dialing, remote answer / end / reject / switch, telephone redial, mute, volume control, English switch, smart one for two, music pause / play, up and down the song Applications: Supports any, IPAD tablet, desktop computer with a Bluetooth device class phones. Not carrying a Bluetooth-enabled desktop computers can be used with a Bluetooth adapter.

The use of distance: 10m. The latest Bluetooth 4.1 technology.Lookatool®