Bluetooth-Compatible: 5.3Transmission distance: 20m (in an accessible environment)Chip: RTL8761BWProduct size: about 27 * 14 * 8.5mm/1.06 * 0.55 * 0.33inchGross weight: 28g
2. Longer Transmission Distance and Stable Speed: With a long transmission distance of 10-20m (without barriers) and a strong signal, the adapter supports a 3Mbps transfer rate, making it perfect for high-speed file, audio, and data transfer.4. Low Latency and Fast Connection: With ultra-low latency and intelligent sleep/wake up function, the adapter conserves energy while resisting interference with a 24-bit CRC check to reduce interference.