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

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 functionsSpecifications:Color: Gray/BlackBluetooth version: CSR4.2Job scope: > 10 meters (disabled)Standby time: > 200 hoursCalling time: > 3 hoursCharging time: 2 hoursSupport agreement: A2DP, AVRCP, HSP, HFPFrequency response: 20 hz – 20 KHZPackage List:1x Mini Earphone1x USB Cable1x User manual