World's First aptX HD in Both TX & RX Mode: Powered by premium CSR8675 chipset, CHGeek Bluetooth adapter supports the latest Bluetooth V5.0, transmits data twice as fast as Bluetooth 4.2 and provides an incredibly Stable Connection at distances over 33 ft. (10 M). With aptX HD, it streams CD-quality sound wirelessly over Bluetooth connections. Real-Time Audio Transmission: CHGeek Bluetooth transceiver adopt the aptX Low Latency Technology in both TX & RX modes, which can reduce audio lag under 40ms and let you enjoy high-quality audio in sync with the picture (Your Bluetooth headphones or speaker must also support aptX LL / aptX as well.) Long Battery Life: Internal battery provides Bluetooth adapter for more than 24 HOURS of use after 3 hours charging time. It also supports charging and streaming simultaneously.

TRANSMITTER + RECIEVER: One portable adapter to use as either transmitter or receiver, powered by the latest Bluetooth 4.1, can pair with two headphones / speakers at once. OPTICAL + 3.5mm: You get maximum flexibility with support for both 3.5mm (AUX and RCA) and optical (TOSLINK) digital, both input and output are supported. LOW DELAY: aptX Low Latency technology eliminate Bluetooth audio delay, so you can watch TV / Movie / Video and listen to high-clarity sound in perfect synchronization. Note: aptX Low Latency ONLY supports TX mode.