Earphone Pairing method 1. Take out the charging bin or press and holid left and right carphones multifunctional button for 3 seconds to press on until the red and blue lights flash alternately, enter the ear search pairing state. Anter the ear pair automatic matching, and match the main ear right sar the red and blue lights are flashing alternately, the secondary ear isfiashing slowly, and the paired ear is successfully played. 2. Start the Bluetooth function of the mobile phone or other devices. Ifit is an Android mobile phone or device, click the Search for Bluetooth device. When search for the model of the Bluetooth headset After that, click to open the link; When the pairing is successful, the main right earphone will be a prompt to connect successfully, and the left and right earphone will turn blue and flesh slowly, and enter the connection standby state. After the pairing is successful, the most important ear is the right channel. The secondary ear is the left channel. 3. The two sarphones can also be combined with the cell phone separately Tns oparaliorn mglhod can be operated according to the above step 2 operation method. Specifications: Bluetooth Version: V5.0 Bluetooth Distance: 10 m Charging Time: about 1-2 hours Standby Time: approximately 80 hours Music Time: about 3 hours Talking Time: about 4 hours Earphone Battery: Lithium Polymer Battery 45 mAh Battery Box Battery: Lithium Polymer Battery 280 mAh Audio transmission format: HFP A2DP HSP AVRCP Waterproof level: IPX4 Package Included: 1 x Earphone 1 x USB charging cable