Bluetooth V5.1 technology delivers a more stable and faster wireless connection to your device, let you enjoy stable calls and beautiful music.

Designed with a soft, flexible, and secure-fit ear hook, 270 degrees+360 degrees rotation, arbitrary angle adjustment of left and right ears ensure?unmatched comfort and stability when you move.

Built-in high-definition microphone, ENC intelligent noise reduction, reduce the interference during the call, deeply reduce the noise, and make the call as clear as an interview.

Built-in 500mAh rechargeable battery, fully charged up to 18 hours of music playback, 20 hours of talk time, let you enjoy beautiful music and stable calls.

Unassailable high-fidelity sound: wireless headphones provide powerful, balanced stereo and dynamic range, providing an incredible listening experience.

Specification:
Item: Business HeadsetModel: YYK-525Material: ABSColor: BlackBT: V 5.1Connection Distance: 10m/32.81ftSensitivity: -42?1dBSpeaker Diameter: 13mmSpeaker Impedance: 32? at 1KHz 1mWRated : 3mW (Maximum 5mWFrequency Response: 20Hz-20KHzBattery Type: Polymer BatteryBox Battery: 500mAhHeadphone Battery: 90mAhCharge Time: 1-2 hoursHeadset Music time: 10 hoursHeadset Standby time: 40 hoursFrequency Response Range: 20Hz – 20KHzPackage Size: 13*9.5*3cm / 5.12*3.74*1.18inPackage Weight: 140g?
Package List:1 * Business Headset1 *Charging Case1 * USB Cable2 * Earplugs1 * User Manual