DescriptionIf you are looking for a professional and affordable wireless over ear headphone, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience.Features-Color: Black-Material: ABS-Size: 19.00X18.00X7.50cm/ 7.47X7.07X2.95in Version: 5.0+EDR Frequency response: 20Hz-20kHz Output power: 40mW Range: 10-30m (without obstacle) SNR: 85dB Distortion: 1% Impedance: 32ohm Battery: 400mAh Charging time: 1-2h Working time: 11h (max volume) - Passive noise reduction and bass design, filtering unwanted noise and hearing great sound. - Telescopic and foldable design: easy to fit for different head shape and convenient to carry around. - Wireless 5.0 chip, compatible with multiple protocol, stable transmission,high fidelity Hifi sound quality. - Skin-friendly protein leather earmuff, smooth and delicate texture, breathing sponge inner, sound isolation without leaking. - Built-in large capacity battery, standby time can be as long as 360 hours.