Features:

100% Brand new and high quality!

Built-In Microphone，

Noise Cancellation，

Playback Controls，

Rechargeable，

Sweat Proof，

Volume Control

Specifications:

Charging voltage: MICRO USB 5V

Working current: 10-20mA

Bluetooth Working range: 10M

Output power: 2x18mW

Frequency range: 2.401-2.480GHz

Distortion factor: ≤1%

Frequency response: 20Hz-20KHz

Working Time: Music state 2.5-5 H / Talkingstate 2.5-6 H

SNR: S / N≥95

Charging Time: 2h

Speaker: 16Ω20mW x 2

Bluetooth name: HBS-900

Battery: 3.7V / 195MAH

ANC frequency 100-1000HZ