DM-22 Magnetic Bluetooth Earphone DM-22 Neckband Sport headset with Mic Wireless Handsfree Earphoness

Features:
Exclusive design patents, headphone ergonomic design, comfortable to wear easy to fall.
Ear ear design, reducing the world's best bass.
Unique magnetic control, Not easy to fall.
Built-in high sensitivity microphone, clearer voice quality.
Built-in lithium battery, support for 2-4 hours fast charging, provide up to five hours of music / talk endurance.
Bluetooth one with two to meet the needs of multi-source.
With a play button, you can control the music player and make and receive calls and other functions

Specifications:
Color: Gray/Black
Bluetooth version: CSR4.2
Job scope: > 10 meters (disabled)
Standby time: > 200 hours
Calling time: > 3 hours
Charging time: 2 hours
Support agreement: A2DP, AVRCP, HSP, HFP
Frequency response: 20 hz - 20 KHZ

Package List:
1x Mini Earphone
1x USB Cable
1x User manual