Dimensions: Single Earbud: 31.1×20.9×22.5mm Charging Case: 63.2×53.4×24mm Weight: Single Earbud: 3.65g Charging Case: 34.7g Total Weight: 42g Battery: Earbuds: 1040 (34mah) Charging Case: 440mAh 28-hour ultra-long battery life with charging case 5 Hours Battery Life on a single charge Charging: Charging Port: Type-C Earbud input parameters: 5V⎓0.10A Charging case input parameters: 5V⎓0.50A Charging case output parameters: 5V⎓0.20A Connectivity: Wireless connection: SBC Bluetooth protocols: HFP/A2DP/AVRCP Communication Range: 10m Speaker impedance: 32Ω