Description: 1.Bluetooth Version: V5.0 EDR 2.Bluetooth Distance: 10m 3.Charging Time: about 1-2 hours 4.Standby Time: about 80 hours 5.Music Time: about 3 hours 6.Talking Time: about 4 hours 7.Earphone Battery: Polymer Lithium Battery 45mAh 8.Charging bin: 300 mAh 9. The weight of earphone is 7g, and the weight of charging bin is 28g. 10. charging bin 6.2*4*2.9cm After automatic pairing, take out your mobile phone and search for Bluetooth connection. Specifications: Features: Item type:Bluetooth Earphones One button control easily to turn on/off, play/pause/switch music, hands free calling to driving, working, meeting, running. One to two connections, can be connected to two mobile phones at the same time. Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook, QQ music, movies, etc., universal all mobile phone. Package Included: 1* headphones 1* instructions 1* charging line