1. Upgrade Bluetooth 5.3+BLE (LMP:12.45)
2. Compatible with Bluetooth versions such as 5.2/5.1/5.0/4.0/3.0/2.0
3. Low power consumption, low latency and high definition sound quality
4. Win10-11 driver-free, supports Win7 system
5. Automatic reconnection once connected
6.Support multiple devices to connect at the same time
7. Wide compatibility (Bluetooth headphones/speakers/Bluetooth mouse/keyboard/Bluetooth controller/printer/Android phone)
8. The built-in antenna is farther away and more stable
9. Support A2DP/HSP/AVRCP/HID/SBC/AAC and other protocols