The item 1. Version 5.0 of Bluetooth 2. Compact and portable. 3. Ninety hours of standby 4. It takes an hour to charge. 5. Three to four hours for a single use 6. Auto pairing at boot is simple to use. 7. Simple touch inductive operation. 8. To display distinct mid and high tones, use 13.2mm hi-fi speakers. 9. Dual-channel connection technology can be utilized independently. 10. Compatible with gadgets that support Bluetooth