Outstanding Sound Quality: The closed-back design provides you an impressive sound quality and Hi-Fi stereo delivers amazing music and voice clarity. Enhance your phone call quality and the enjoyment of music listening experience.

Durable Headphone: Up to 400 mAh battery capacity with only 3 hours fast charge, allows 20 hours continuous song playing,15 hours phone answering and 360 hours standby time. And the protection board provides overcharge protection and short circuit protection, ensuring the safety of batteries to keep the battery life last longer.

Hi-Fi Sound, Stable Performance with Bluetooth 5.3: Low power lossless transmission Bluetooth Version 5.3 chip, with 2.4 bits/s transmission speed. It supports 99% of the devices that are out of the market. Such as: Phones, Tablets and other equipment with Bluetooth function.

Foldable And 360 Degree Surround Sound Effect: Foldable design allows headphone to be carried easily. 80MHZ independent CPU intelligent operation, track switch become more comfortable. High fidelity without distortion, it restores the real sound quality and music transparent.

Ergonomic design and Noise Cancelling: Ergonomic design is the protection of auricle from compression.It provides passive noise reduction largely ensures your using experience.

Several sound scenes for options: EQ button supports 5 sound scenes, delivering different music enjoyment.

Multi-functional headphone: Bluetooth V5.0+TF card playing+FM radio+wired playing.

Bluetooth Version: V5.3    
Bluetooth frequency: 2.40 Ghz-2.48 Ghz
Power: ≤ 4 dBm, class 2
Effective range: 10 meters
Frequency response: 20 Hz - 20 KHz
Bluetooth mode support:A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5
Voltage:3.7VDC (built-in 400MAH rechargeable battery)
S/N rate: 70 dB
Power indicator light: Blue and green light
Play time: 20Hours, Charge time: 2.5Hours, Standby time: 360 Hours
Charge port: mini 5-pin USB charging interface
Operate temperature:-4 ~ +131°F(-20 ~ +55°C)