Features:
Stable BT5.2 technology, compatible with almost all audio devices that support BT.
Built-in high-definition microphone, CVC noise cancellation technology enhances call audio transmission performance, clear sound transmission, and high-quality calls.
Talk hands-free, free your hands, and drive safely so you don't miss any important calls.
Collar clip design, easy to carry. The headphone head is retractable and the cable retracts at the touch of a button for easy storage.
The built-in 140mAh battery is rechargeable and has a long battery life, providing up to about 20 hours of talk time, about 20 hours of music time and about 180 hours of standby time.

Specification:
BT Version: 5.2
Battery: 140mAh
Standby Time: about 180 hours
Talk Time: about 20 hours
Power Adapter: DC5V 1A
Frequency: 2.4GHZ
Color: Black, Silver, Gold(Optional)
Item Size: 7*2.5*2cm / 2.76*0.98*0.79in
Item Weight: 18g / 0.63oz
Package Size: 17.5*9*3cm / 6.89*3.54*1.18in
Package Weight: 85g / 3oz

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