➤【2-IN-1 BLUETOOTH TRANSMITTER RECEIVER】As a Bluetooth Transmitter:Connects TV/PC via 3.5mm or RCA and streams audio to your AirPods Bose Sony TWS Bluetooth headphones or speakers in TX mode; As a Bluetooth Receiver: Receives audio from smartphones, laptop, or iPads and tablets when set in RX mode. Note: Please close the Bluetooth function of other around device during use avoid BTI-018 or your Headphone connect with them.Can‘t be used as both a transmitter and a receiver | ➤【NO LIP-SYNC DELAY】 Aux to Bluetooth transmitter receiver support Low Latency to reduce audio-visual delay about 40 milliseconds, so you can enjoy TV / Movie / Video and listen with high clarity stereo sound. It can automatically reconnect to the last paired device easily once power on.* NOTE: To achieve low latency, your receiving device must also support Low Latency. | ➤【DUAL STREAM & MULTI-POINT】As a Bluetooth audio transmitter, BTI-018 can be paired to two Bluetooth Headphones or speakers, and streams audio simultaneously to both of them. As a Bluetooth Receiver, it can still be paired to two of your smartphones or tablets, but the receiver can only receive the audio from one of the two paired devices.We suggest to pair two same brand audio receiving devices that both achieve Low Latency to enjoy no lip-sync delay. | ➤【LONG BATTERY LIFE& AUTO-RECONNECT】Bluetooth Audio Transmitter for projector BTI-018 built-in Rechargeable 280mAh battery provides up to 14 hours working time, support charging and streaming at the same time, and automatically re-pair with existing paired devices. | ➤【STOPPED WORRY ABOUT DISTURBING OTHERS & 24 MONTHS WARRANTY】Whether you are watching your favorite show on TV or playing games on your PC late at night or want a higher volume, with our Bluetooth transmitter set you won't disturb your family members. 24-months warranty and life time product technical service give you a safe and secure shopping experience.