Sandberg BT Audio Link 2in1 TxRx enables you to send and receive an audio signal wirelessly via Bluetooth. Configured as a sender (Tx) you can get the sound signal from a headset output in for instance your TV connected to your Bluetooth headset. Configured as a receiver (Rx) you can connect a Bluetooth device like a mobile phone through the AUX port on for instance your car stereo to enjoy wireless music from your mobile through the sound system of the car. Battery: - Battery Technology: Lithium-Ion (Li-Ion) - Rechargeable battery: Yes Features: - Brand compatibility: Universal - Product colour: Black - Product type: Receiver/transmitter Packaging content: - Cables included: USB charging cable - Quantity: 1 - Quantity per pack: 1 Ports & interfaces: - 3.5 mm connector: Yes - Bluetooth: Yes - Bluetooth range: 10 - Bluetooth version: 5.0 Power: - USB charging: Yes - USB connector type: USB Type-C Vendor information: - Brand Name: Sandberg - Warranty: 5 Weight & dimensions: - USB cable length: 0.3 - Product.Details.Specifications.Level1: Consumer Electronics - Product.Details.Specifications.Level2: Sound & Vision - Product.Details.Specifications.Level3: Headsets & Headphones - Product.Details.Specifications.Level4: Headphone & Headset Accessories