JOYROOM Openfree JR-OE4 Wireless Earbud

Model: JR-OE4 Bluetooth version: BT5.4 Audio codec format: AAC, SBC Communication distance: 10 meters Water resistance: IPX4 listening time (50% volume): 12.5 hours listening time with charging box (50% volume): 50 hours battery capacity: 80 mAh (earbuds) 800 mAh (charging Charging time: approx. 2 hours Charging Input: 5V / 1A Charging Interface: Type-C Frequency Response: 20Hz-20KHz Maximum Output Power: 20mW Speaker Impedance: 16Ω Speaker Size: Ø 16mm Total Size: 88.7 x 66.5 x 32mm Material: ABS + PC Weight: Approx. 78.8 g (without headphones)