JOYROOM True Wireless Earphone FunPods FB1Specification Details Brand JoyROOM Model FunPods FB1 Driver Size 13 mm dynamic driver Bluetooth Version 5. 3 (AAC SBC) Latency ~65 ms Battery (Earbuds) 35 mAh each; ~7 h music time (70% volume) Battery (Case) 400 mAh; total ~35 h playback Call Time ~5 h (70% volume) Standby ~48 h connected Charging Inputs Earbuds: 5 V200 mA; Case: 5 V1 A; USBC Water Resistance IP54 dust splash protection Weight (Earbud) ~3 g each; case total ~34 g Materials ABS + PC;