Joyroom unique design earbuds rounded metal shell. Digital display of earphone battery. Fast connection and pair. High-fidelity dynamic coil unit, Hifi sound. Ergonomic design, comfortable to wear. Headphone capacity: 50mAh. Charging case capacity: 1800mAh. Play time: about 4-5H (70% volume). Talk time: about 4-5H. Headphone standby time: about 30H. Headphone charging time: about 2H. Charging time of charging case: about 4H. Inside Box: Charging Case + Earphone + Eartips + Cable + Adapter.