Description Product Specification: 1.Model:Wireless Headphones 2.Bluetooth specification: Bluetooth V5.0 3.Range: 10-15m 4.Frequency Band Range:2.402 ~ 2.480 5.Working voltage:3.2V~4.2V 6.Charging voltage:5V-1A 7.Battery capacity of the headsets : 500MAH 8.Battery capacity of the storage box: 2000MAH 9.Transmission distance:15M 10.Call time :about 4-5 h 11.Play time: about 4-5 h 12.Waterprof :IPX6 13.Charging time of Earbuds: 1 h 14.Charging time of the Charging box:1h 15.Support system: All Bluetooth devices and mobile phones Products include 1 * One pair of Bluetooth headsets 1 * Charging box 1 * Charging cable 1 * User Manual How to Connect: Automatically power on when you open the charging case and you need to pair with device. After the first time pairing with device it will reconnect next time automatically when open the box. How to Solve Charging Issues Clean the charging contacts, and mesh with an alcohol pad to remove dust that might be affecting charging or sound volume. How to Solve Connection Issue: > Place the earbud into the charging case and ensure they are charging. > Delete the Bluetooth pairing information on the phone. > Take the earbud out of the charging case, wait for at least 20 seconds until only one earbuds flash the light. Now you can re-pair with your phone. How to use Earphones If you are facing the issue one earphone is working and connected but second one is not connected. sometimes you are using only one Earphones. In this case when you get the second Earphone from charging box it may not connect,