New Laptop HP EliteBook 840 8GB Intel Core I5 SSD 500GB

Specifications: Technologies: bt5.0, a2dp, avrcp (receiver mode only). Operation range: up to 10m / 33ft (without any blocking objects). Pairing name(receiver mode ):kn320. Transmitter mode: red led light is on. Receiver mode: blue led light is on. Dimensions: 32mm*17mm*8.5mm. Contents: 1x Bluetooth 5.0 audio transmitter/receiver adapter. 1x 3.5mm aux cable. 1x user manual. Pairing methods: Rx mode: pairing name: kn320, find kn320 in the Bluetooth settings of the phone to pair. the blue light flashes during the pairing process, and the blue light stops Flashing after the pairing is successful. connect the product to the audio device with a 3.5 audio cable. TX mode: TX mode will automatically search for other Bluetooth receiving devices (such as Bluetooth headset, Bluetooth speaker, Bluetooth receiver, etc.), the red light Flashes during pairing, and the red light stops flashing after pairing succeeds. connect the product to a device such as a TV with a 3.5 audio cable/ RCA audio cable.