Charger Type:
Built-in rechargeable lithium-ion battery MagSafe wireless charging up to 15W15 Qi wireless charging up to 7.5W15
Special Features:
IP53 Splash-Proof Protection, 33W Fast Charging, Dual Stereo Speaker or Up to 4.5 Hours Listening Time/3.5 Hours Talk Time with Single Charge
Battery Capacity:
Earbud battery capacity: 40 mAh (typical capacity), Charging case battery capacity: 500 mAh (typical capacity), Type: Lithium-ion polymer lithium battery