Weight and dimensions Right earphone weight: 4 g Charging case dimensions (WxDxH): 55 x 35 x 20 mm Charging case weight: 20 g Left earphone weight: 4 g Efficiency Application: Calls/Music Market segment: Consumer Product type: Headphones Product color: Black Wearing style: In-ear Ports and interfaces Connectivity: True Wireless Stereo (TWS) Bluetooth: Yes Bluetooth version: 5.1 Wireless router range: 10 m Battery Supported battery type: Built-in Battery capacity: 200 mAh Left earphone battery capacity: 40 mAh Talk time (with charging case): 3 h Music playback time: 5 h Right earphone battery capacity: 40 mAh Standby time: 100 h Continuous audio playback time (with charging case): 15 h Microphone Microphone type: Built-in microphone Headphones Speaker diameter: 8 mm