DescriptionSupport Memory Card : NoSupport Apt-x : YesSupport AAC : YesModel Number : XFN0342Package : NoFeature : NoneHigh Definition Support : NoneContent : AUDIOWIFI Standard : NoneWireless Type : bluetoothSound Track : DoubleInterface : 3.5mmBrand Name : lieveProduct Feature:Worlds First aptX HD in Both TX / RX Mode: Powered by premium CSR8670 chipset, CRDC Bluetooth adapter supports the latest Bluetooth V5.0. With aptX HD, our Bluetooth transmitter / receiver can stream stable audio and deliver CD-quality sound wirelessly over Bluetooth connections.Real-Time Audio Transmission: CRDC 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 12 HOURS of use after 3 hours charging time. It also supports charging and streaming simultaneously.OPTICAL+RCA+3.5MM: Apart from 3.5mm Aux / RCA connection, CRDC Bluetooth Adapter also supports optical cable(TOSLINK /SPDIF) input / output. With provided optical cable, you can enjoy high-quality digital sound through multiple audio outputs, such as wired stereo, speakers, or headphones.Under TX mode, two Bluetooth headphones can be paired at once so parents can watch in silence and give children a needed break; Under RX mode, two smart devices can be paired for playing different songs. Record 8 devices and automatically re-pairing with existing paired devices.Auto-Turn OFF: In RX or TX mode, The BTI-019 will automatically power off if there is no devices to be connected within 10 minutesProduct Specification:Bluetooth version: V5.0, Class IIBattery Capacity: 350mAH rechargeable lithium batteryNet weight: about 40 gSize: 60 x 60 x 18.5mmOperating time in receiver mode: 15 hours for AUX ,12 hours for SPDIFOperating time in transmitter mode: 15 hours for AUX ,12 hours for SPDIFFrequency Range: 2.4022.480GHz Memory unit: 16M Flash Memory unitCharging time:about 2 hoursCharging Power: DC 5VTransmission range: within 10 mWorking Tempeture:-10 - 50 Audio coding: TX: aptX HD, aptX Low latency,SBC,Faststream RX: ACC, SBCPackage Included:1 x Bluetooth Transmitter & Receiver Adapter1 x Micro USB Charging Cable1 x 3.5mm Audio Cable1 x 3.5mm jack to 2 RCA plug cables1 x Digital Optical Toslink Audio Cable1 x User Manual