Smarter Shopping,Better Living! Product Specification: 1.Bluetooth specification:V5.1 2.Bluetooth Profile:A2DP,AVRCP, HFP;HSP 3.Working voltage:3.1VF~4.2VF 4.Charging voltage:5VF-1A 5.Battery capacit more→y of the headset: 50MAH 6.Battery capacity of the storage box:1200MAH 7.Transmission distance:10M 8.Call time:4-5h 9.Play time:4-5h 10.Waterprof :IPX7 11.Charging time of headset:30-45min 12.Charging time of the Charging box:1h Products include 1 * One pair of Bluetooth headsets 1 * Charging box 1 * Charging cable 1 * User Manual 4 * Ear cap Best wish for you! Product type: Wireless Earphones The merchant warrants that their products comply with all applicable laws, and are offered only if