K3 BT5.0 Business Headset Wireless Earpiece Single Earhook With Charging Box Mic Led Display Earphones CVC Noise Cancelling Headphone Hands-Free Earphone 500mAh Battery for Business/Work/Driving/Office

Features:
BT5.0 technology delivers a more stable and faster wireless connection to your device, letting you enjoy stable calls and beautiful music.
Designed with a soft, flexible, and secure-fit ear hook, 210 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, CVC 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 Headset
Model: K3
Material: ABS
Color: Black
BT: V 5.0
Connection Distance: 10m/32.81ft
Sensitivity: -42±1dB
Speaker Diameter: 13mm
Speaker Impedance: 32Ω at 1KHz 1mW
Rated Power: 3mW (Maximum Power 5mW)
Frequency Response: 20Hz-20KHz
Battery Type: Polymer Battery
Charging Box Battery: 500mAh
Headphone Battery: 90mAh
Charge Time: 1-2 hours
Headset Music time: 10 hours
Headset Standby time: 40 hours
Frequency Response Range: 20Hz - 20KHz
Package Size: 13*9.5*3cm / 5.12*3.74*1.18in
Package Weight: 155g / 5.47oz

Package List:
1 * Business Headset
1 * Charging Box
1 * USB Cable
2 * Earplugs
1 * User Manual