Key features

• •【328 ft Wireless Connection Range】-- Built-in antenna, up to 100m (328 ft) long range and stable transmission to share your audio from indoors to outdoors. Supports both analog (RCA / 3.5mm AUX audio) and digital (optical) input and output.
• •【2 In 1 Transmitter and Receiver 】-- In TX mode: Turn your TV/Computer/Laptop into a Bluetooth-enabled device. You can listen to the audio from your bluetooth headset and watch movie or play game without interfering with anyone. In RX mode: Connect the BR4 to your home speaker system/car stereo/headphones and turn it into a bluetooth audio device. You can then connect your smartphone or other Bluetooth device and play music wirelessly.
• •【APTXHD Low Latency】-- The CSR BC8675 chip gives you Bluetooth V5.0, preserves sound data through transmission, you can enjoy HD Stereo Audio over Bluetooth connections with aptX-source devices like TV's, phones or tablets without any noticeable audio delay.
• •【Dual Stream & Multi-Point Connection】-- BW-BR4 transmitter receiver with Dual Stream and multi-point connection, can connect two devices simultaneously, share best music with your family.
• •【Long Standby Time】-- With a built-in 600mAh battery, 2.5 hours charging time, you get up to 17 hours working time and 175 hours standby time. Optical fiber transmit gives you the option of digital connection to your playback device for maximum audio quality.