True Wireless Stereo Bluetooth earphones Enjoy music without annoying cables Bluetooth version: V5.3 Supports: HFP, HSP, A2DP & AVRCP Operating range up to 10 metres Each earbud has a 30 mAh battery, charging case 200 mAh Lightweight: 4.3 grams per earbud Built-in microphone for hands-free calls Each earbud charge (in charging case) takes about 1 hour Talk and music playback time: up to 6 hours USB Type-C for charging.