XT11 Auricolare Bluetooth wireless magnetico Auricolare musicale stereo in-ear Auricolare sportivo con microfono Cuffia universale

Product Describes: -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) Bluetooth version: CSR4.1 (2) Frequency response: 20-20000Hz (3) Bluetooth usage frequency: 24Ghz (4) Pressure transmission distance: About 15 meters (disabled) (5) Color: Red,Black (6) Standby time: About 240 hours (7) Call/play time: About Total 10 hours Packing List: 1 * Bluetooth Earphone 1 * USB Charging Cable 1 * English and Chinese User Manual Note: Because the battery may be exhausted during transportation, it is an inevitable situation that you cannot use it after receiving the goods. Please fully charge the headset before using it. Thank you for your understanding.