Feature:1. Connecting to 3.5mm/2RCA audio interface, speakers without Bluetooth function can also play wirelessly.2. It supports the connection up to 10 meters/33 feet, controlling the music playing in a long distance. Support USB playback, plug and play.3. Support NFC mobile device, touch to connect/disconnect without manual connection.4. Insert the car USB, connect the AUX cable, and connect the mobile phone to Bluetooth to achieve wireless transmission.5. Using NFC wireless + chip, using a power isolator with a protective ring, no loss of sound quality.Specification:Item Type: Bluetooth ReceiverMaterial: ABSColor: As shown in the pictureModel: Ti-800Bluetooth: Bluetooth5.0Distance: 10m / 33ftPower Supply: DC5VCompatible: All Bluetooth audio devices support A2DP/AVRCP/HFP protocolFunction: Support NFC, support simultaneous connection of 2 speaker devices.Package List:1 x Receiver1 x Audio Cable1 x USB Charging Cable1 x Instruction Manual1 x RCA CableNote:The next time you use it, you only need to press the power button for 3 seconds to turn it on to automatically connect to the mobile phone or other equipment that was renewed last time.