Wireless Bluetooth 5.0 Music Headphones Stereo In-ear Earphone Earbuds IPX7 Waterproof Noise Reduction Sport Headset

1.Bluetooth Profile：HSP，HFP，HPP，A2DP， AVRCP，CVC 2.Bluetooth Ver.No：V5.0+EDR 3.Radio carrier frequency：2402MHz-2480MHz 4.Audio frequency response range：20Hz-20KHz 5.Wireless Range：≥10m 6.Power voltage：3.3～4.2V 7.Charging Voltage：5V 8.Charging Current：50mA 9.Standby：0.5mA 10.BT Call Working Current：18mA 11.BT Music Current：20mA 12.Standby Time：240H 13.Talk Time：≥5H 14.BT Music Play Time：≥4-5H 15.Charging Time：1H 16.Earphone Battery Capacity：40mAhPolymer Lithium Battery 17.Charging Case battery capacity：300mahPolymer Lithium Battery 18.Dual microphone：yes 19.Speaker：8mm, 16Ω（Copper ring）

package list: 2 x earphones 1 x charge bin 1 x cahrge cable 1 x manual