Spec: Description: As a music lover, you need our earphones. Or when exercising out, find wired headphones too much trouble. Portable wireless headset can be taken out of the charging compartment and automatically switched on and paired for memory connection. Built-in HD microphone, intelligent noise reduction, call. Wireless dual ear design, the left and right ear canals are separated, which can be used alone or against the ear. Features: Portable wireless BT headset can be taken out of the charging compartment and automatically switched on and paired for memory connection. Wireless dual ear design, the left and right ear canals are separated, which can be used alone or against the ear. BT 5.0 technology has lower power consumption and more stable signal transmission. Built-in HD microphone, intelligent noise reduction, call. Equipped with 350mah charging warehouse, with digital display, the remaining power can be displayed. Specification: Model: XG13 Color: Black Wireless Connection: BT5.0 Style: In-Ear Control Button: Yes Active Noise-Cancellation: No Sensitivity: 32dB Driver Diameter: 8mm Impedance: 32Ω Frequency Response Range: 19 - 18000Hz Total Harmonic Distortion: 1% With Microphone: Yes Charging Method: Charging case Package size: 10.2*8.5*3.4cm/4.01*3.34*1.33in Package weight: 60g/2.11oz Note: The above data comes from our laboratory test. There may be some errors depending on the application! Package List: 1 * Headphone 1 * User Guide 1 * Charging Cable 1 * Charging case Package List: 1 * Headphone 1 * User Guide 1 * Charging Cable 1 * Charging case