1.74″ W x 2.20″ H, Bluetooth: V5.0, Play mode: stereo mode or single mode, wireless range: 32.8′, earbud battery capacity: 35mAh each, charging box battery capacity: 350mAh, standby time: single mode 100 hours; stereo mode 60 hours, charge time: earbuds 1.5 hours, charged by charging box, Talk/Playtime: 2.5 to 3 hours.
