Wireless Range:10m(in an obstacle-free environment)Battery Capacity:43mAh(per earbud)Charging Time:Approx.1.5hTalk Time:Approx. 4hStandby Time:Approx. 150hInput:5V==100mABattery Type:Lithium PolymerWireless connectivity: Bluetooth 5.0Bluetooth Profiles: HFP/A2DP/ HSP/AVRCP

Key Features; Brand Name: OPPO Style: In-ear Vocalism Principle: Dynamic Origin: CN(Origin) Active Noise-Cancellation: Yes Control Button: No Communication: wireless Volume Control: Yes Certification: CE Waterproof: Yes Frequency Response Range: -Hz Wireless Type: bluetooth Function: for Video Game Function: Common Headphone Function: Sport