Feature:1. Wireless Audio Transmitter Receiver: Audio can be wirelessly sent to a powered speaker, amplifier, soundbar, home theater system, or stereo by connecting your TV, DVD, or MP4 player to the wireless audio set with 3.5mm input and output.2. High-Fidelity Audio: The wireless audio adapters kit has a latency of less than 20ms, and it can transmit high-quality audio reaching 24 bit/48kHz. Clear, noiseless, strong anti-interference allows you to enjoy high-quality audio at home or work.3. Long Distance Transmission: Supporting 2.4GHz technology, the wireless transmitter-receiver kit has antennae that can reach about 492 feet (150m) outside and 100-200 feet (30-50m) indoors without audio loss or cutouts when listening.4. Wireless Audio Bridges: A wireless audio system is an excellent means to link your subwoofer, TV, PC, MP4 player, speaker, and home stereo wirelessly if you want to enjoy audio or video on a wall speaker or outdoors without having a lot of wires.5. Versatile Connectivity: Any audio source with a 3.5mm power input port/audio jack can be connected to a wireless audio transmitter. Any powered wired speaker with a 3.5mm power input port/audio jack can be connected to the receiver.Specification:Color: BlackTransmitter:Operating frequency: 2.4GHzModulation mode: GFSKTransmission speeds: 2MbpsTransmitting power: +10dBmChannels: 16Channel spacing: 5MHzOperating time: about 5 hoursReceiver:Input signal effective value: 1vmInput impedance: 10KohmOutput/input gain: 1:1Frequency response: 20Hz~20kHz (-3dB)Transmission delay: <3msSampling accuracy: 48kHz, 24BITOperating time: about 10 hoursBattery: 320mAh*2 (transmitter*1, receiver*1)Item Size: 7.5 * 5.2 * 1.5cm/2.95 * 2.05 * 0.59inItem Weight: 121g/4.27ozPackage Size: 21 * 15 * 4cm/8.27 * 5.91 * 1.57inPackage Weight: 284g/10.02ozPackage List:1*Transmitter1*Receiver2*USB Type-C Cable2*3.5 Audio Cable1*3.5mm to RCA Audio Cable1*3.5mm Microphone1*Instruction Manual