2-In-1 Design: One portable adapter to use as either transmitter or receiver, one button operation to switch between RX and TX. Latest Bluetooth V5.0 with A2DP: Wide compatible, easy to pair / reconnect and support apt-X and SBC codes,Updated bluetooth 5.0 brings strong singal transmission ability ,high sound quality less crackling, hissing or sound quality deterioration issues. It makes it different from others.Wirelss Everywhere: As Bluetooth Audio Transmitter (TX Mode), turn a non-Bluetooth TV, PC, CD player, iPod, Laptop, Tablet, MP3,included but not limited ( with 3.5mm or 2.5mm jack input port)into a Bluetooth transmitter while pairing with Bluetooth stereo Headphones or Speakers. (Note: This model doesn't compatiable with Nintendo Switch); As Bluetooth Audio Receiver (RX Mode),Ideal for home or vehicle music streaming sound system. Then you are free to enjoy HIFI CD-like audio quality.APT-X LOW DELAY: apt-X Low Latency for full ‘wired’ Stereo Sound quality, lag-free content streaming in transmitter mode. Low Latency supported Bluetooth headphones or speakers is required. Long wireless range, achieves up to 30 feet( 10 meters) away. Support aptX LL in Dual Link.Always on - Long Battery Life: Being fully charged in only two hours,up to 14 hours working time and continuously streams even while charging. Product Specifications:- Material: Premium ABS with rubberized coating- Bluetooth Compliance: Bluetooth V5.0, CSR BC8670 chipet, A2DP- Transmit Range: up to 33ft / 10m- Supports: Dual Stream (TX mode); Multi-Point (RX mode)- A2DPCodec: APT-X LL(TX), APT-X(TX), SBC(TX), SBC(RX)- Working Time Both Mode: about 14 hours- Charging Time: 2 hours / 5V; can be used while being rechargedPackage Includes:1. Bluetooth V5.0 Transmitter/Receiver2. 3.5mm Male to Male Audio Cable3. USB to Micro USB Charging Cable4. 3.5mm Female to RCA Audio Cable5. User Manual