Features1.TX MODE: 2 in 1 bluetooth adapter with transmitter (TX) mode, plugs a bluetooth transmitter into a non wireless device (TV, PC, MP3, CD, DVD player) and transmits HiFi sound to wireless headphones, speakers, bars.2.RX MODE: 2 in 1 bluetooth adapter with receiver (RX) mode, plugs bluetooth receiver into car speakers, home stereo, headphones, wired speakers and receives sound wirelessly from smartphones, tablets.3.BLUETOOTH 5.2: Equipped with Bluetooth 5.2 technology to ensure more stable connection, faster transmission and low power consumption. Helps you upgrade your old speaker devices to Bluetooth enabled, while also providing you with hifi, latency free sound for high definition sound quality.4.PLUG AND PLAY: Bluetooth 5.2 transmitter receiver does not require any external driver installation, plug and play. Easy to use, one button power on. Easily switch between transmitter (TX) and receiver (RX) modes.5.LONG BATTERY LIFE: The bluetooth transmitter receiver has a built in 250mAh battery, which can support the bluetooth adapter to be fully charged every 1.5 hours, and can work for up to 5?6 hours in RX mode and TX mode, with long standby time. Compact and lightweight design, easy to carry.specificationItem Type: Bluetooth 5.2 Transmitter ReceiverMaterial: ABSBluetooth Version: 5.2Function Mode: Bluetooth Receiving, Bluetooth TransmittingTransmission Distance: Approx. 10m/32.8ftInterface Type: AUX IN, AUX OUTInput Voltage: Type C 5V 500mABattery Type: 250mAh Lithium Ion Battery (Built In)PackageList1 x Bluetooth Sound Transmitter Receiver1 x RCA Cable1 x 3.5mm Sound Cable1 x Type C Power Cable1 x Manual