Description:Characteristics:1. We accept bold high definition mirror digital displays, metal texture booth design and improve sandblasting degree, this is a work of art.2. Built-in large-capacity lithium battery, which can be immediately and fully charged, is suitable for a variety of situations, so you can travel worry-free.3. No need to guess the amount of electricity LED digital power display, the remaining power of the charging cabin is clear at a glance, to avoid the embarrassment of suddenly running out of power.4. The capacity does not change, the process is improved, and the improved mini body does not take up space, small and portable storage.5. The headset has a built-in high-sensitivity touch panel and gently touch the smart reognition, your intention is to complete a variety of operations quickly.6. IPX7 waterproof grade, no need to worry about sweating during exercise.Specifications:Specification:Model: M9Bluetooth version 5.1:Noise reduction version: cvc8.0Operating distance: 10mHeadphone battery capacity: 50mah (each)Charging cabin battery capacity: 2000mAhAuto power on: supportAutomatic adaptation: SupportEndurance time: about 220 hours total (to use with cargo container)Talk time: about 180 hours in total (to use with cargo container)Headphone charging: about 40 times the charging container input current: 5A 1AControl mode: touch operationColor: blackPackage Included:2 * earphone1 * cabin cargo1 * USB Cable1 * User Manual