Fineblue F520 Wireless Business BT5.3 Headset in-Ear Retractable Earphone Hands-free Sport Driver Earphone Telescopic Clip on Stereo Earbud With Mic ( Item#: V10376B )

Features:
BT5.3 brings a more stable signal and faster data transmission and is compatible with almost all audio devices that support BT.
Built-in high-definition microphone, multiple noise reduction enhance the call audio transmission performance, clear sound transmission, and high-quality calls.
Hands-free calling and multi-point connection, release your hands, ensure driving safety, can connect two smartphones at the same time, with vibration reminder function.
Collar clip design, easy to carry. The headphone head is retractable, keeping the cable organized, kink-free and easy to store.
The built-in 80mAh battery is rechargeable and has a long-lasting battery life, providing up to about 10 hours of talk time, about 14 hours of music time and about 120 hours of standby time.

Specification:
Model: Fineblue F520
BT Version: 5.3
Battery: 80mAh
Standby Time: about 120 hours
Talk Time: about 10 hours
Power Adapter: DC5V 1A
Charging Time: about 2 hours
Color: Black, White, Silver, Gold, Grey(Optional)
Item Size: 6*3*2.5cm / 2.36*1.18*0.98in
Item Weight: 18.2g / 0.64oz
Package Size: 17.5*7.5*3cm / 6.89*2.95*1.18in
Package Weight: 78g / 2.75oz

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