What you need to know about Bluetooth connection? 1.When connecting, the Bluetooth device must be placed near the product, and the effective distance cannot exceed 10 meters. 2.When the connection is abnormally disconnected, please re-plug and unplug the Bluetooth adapter, and the Bluetooth adapter will perform the pairing mode again. 3.When one for two connections, first turn off the paired Bluetooth device, unplug the adapter and plug it in again, after the pairing is complete, turn on the paired Bluetooth device. Technical parameter Product model: JH-D901 Bluetooth input: digital audio signal 1KHZ,0dBFS input Bluetooth output: digital audio signal 1KHZ,level 0dBFS Power supply:5±0.25V Working current:<45mA Frequency range:2400MHz-2483.5MHz Frequency response:20HZ-20KHz Signal to noise ratio:>90dB Total harmonic distortion:<0.1% Audio decoding:SBC Transmission distance:10m Package content: 1×USB Bluetooth 5.0 adapter, 1×instruction

USB bluetooth 5.0 adapter has an automatic connection back function. When the pairing is successful, the product will remember the device ID, and the next time it is turned on, it can automatically connect to the last two connected devices. The stability of the Bluetooth 5.0 connection has been improved, the probability of signal interruption will be reduced, and the transmission distance in an open space can reach 33ft/10M (note: the effective distance will be affected by physical obstacles and wireless interference). After using the USB Bluetooth 5.0 adapter, you can play games in TV mode and connect to the Bluetooth headset to get rid of the wire bondage, without occupying the screen or blocking finger operations. Bluetooth transmitter can connect two different Bluetooth devices at the same time. In this way, you can play multiplayer games and share sounds with friends. USB Bluetooth 5.0 adapter supports PS4/PS5 and other game consoles to connect to Bluetooth devices in TV mode.