Neck strap magnetic headphone Bluetooth 4.1 Wireless headphone Sweat free sports music headphone running For smart phones

Product Describes: 
-Metal magnetic adsorption 
-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 1.5 hours fast charging, provide up to ten 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. 

Key parameters: 
(1) Material: Metal (is not cheap plastic) 
(2) Bluetooth version: CSR4.1 
(3) Frequency response: 20-20000Hz 
(4) Bluetooth usage frequency: 24Ghz 
(5) Pressure transmission distance: About 15 meters (disabled) 
(6) Color: Red,Black 
(7) Standby time: About 240 hours 
(8) Call/play time: About Total 10 hours 

Packing List: 
1 * Bluetooth Earphone 
1 * USB Charging Cable 
1 * English and Chinese User Manual