Features: and high quality3 IN 1 -TX RX BYPASS MODES: TX Mode: connect Wireless transmitter to o output devices ;RX Mode: make your old home stereo system Wireless-enable and rejuvenate again. Bypass Mode (wired):you no longer need to plug/unplug any wires, easily switch it to other two modes.Wireless BT 5.0 HI-FI Aptx HD-/LL:Features the highest version Wireless BT V5.0 and the high-end CSR8675 chip to provide the best transmission efficiency, stability and ultra-low power consumption. Support AptX HD- and AptX Low Latency.DUAL ANTENNAS 265ft LONG-RANGE: Actually tested over a range of 265ft(80m) in open air and over 100ft(30m)indoors without any stuck and delay. Long transmission range, super stable and powerful.15-20 HOURS LONG STANDBY for TIME& NFC:Built-in 1000MAH powerful battery, it will 15 hours in TX mode 20 hours in RX mode of solid use on one charge. Supports both RCA/3.5mm aux o connectivity digital/optical o input and output,.DUAL STREAM & MULTI-POINT CONNECTION:Support Dual Stream in TX Mode and Multi-Point Connection in RX. Pair with two Wireless headphones/speakers to double the fun. Satisfaction. Specifications:Type:Bluetooth5.0-compatible o Receiver Transmitter Size: approx12.5x8.6x2.3cm/4.92x3.38x0.9inColor: BlackMaterial: ABSo Input/Output: Optical;3.5mm Aux/RCAo CODEC:aptX HD-;aptX Low Latency;aptX ;SBCRange:80M/265ftBattery Capacity:1000mAhCharging Time:about 4.5HrsInput Volt: for DC 5V Type: Bluetooth-compatible Dongle / Aux Usb Adapter / Bluetooth-compatible Computer Adapter Note:The pairing for time varies on different model of Sony- . But they can surely pair successfully with our devices.Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-1cm error due to the manual measurment. Package includes:1 x BT5. 0 o Transmitter Receiver1 x 3.5mm Aux o Cable1 x Optical cable1 x USB Cable1 x User Manual