Earbuds: Wireless Range:10m(in an obstacle-free environment) Battery Capacity:43mAh(per earbud) Input:5V==100mA Battery Type:Lithium Polymer Wireless connectivity: Bluetooth 5.0 Bluetooth Profiles: HFP/A2DP/ HSP/AVRCP
Charging Case: Input:5V==500mA Output:5V==150mA Charging Time:Approx.2h Battery Capacity:300mAh Battery Type:Lithium Polymer Net Weight of a single earphone :about 5.0g Net Weight of the charging box :about 35g Kualitas Original OEM