[BT 5.3 adapter] The latest BT 5.3 ATS2851 chipset is adopted, which greatly reduces the power consumption of BT and enhances the data rate support, and greatly improves the data transmission rate of BT technology to 3Mbps. This means that 5.3 can send and receive more data faster than 4.0[Better performance] Enhance the anti-interference ability and stability, and reduce the loss of transmission efficiency caused by 2.4 GHz band interference. Relieve problems such as unstable equipment connection, frequent disconnection and signal interruption. Class 2 radio technology is adopted, and the transmission distance can reach 10m, even 20m in open places, covering more distant space[Strong compatibility] BT5.3 dongle is applicable to 32/64-bit Windows 8.1/10/11, driver-free Package included: 1 x Bluetooth 5.3 USB Adapter Other items not include