Wireless Earbuds, Bluetooth 5.1 Earphones Auto Pairing Headphones True Stereo HiFi for Running Sports in-Ear with Smart LED Display Charging Case/Box 250451

F9/M10 Chip：JL6983D2 Bluetooth Version：5.1 （Binaural Talk） Support Agreement：A2DP, AVRCP, HFP ,HSP,SPP Earphone Speaker：φ8mm Headset Battery Capacity：50MAH Battery Capacity of Charging Chamber：1200MAH Transmission Distance：>10m Talk Time：4-5Hours Play Time：4-5Hours Charge duration of headset：1Hours Charge duration of headset：2Hours Support system: all Bluetooth functional devices and mobile phones Packing List：Charg Warehouse*1, Earphone：L R , Data Cable*1