Description <br> Description: <br> 【High Performance】: V5.1 USB adapter adopts RTL8761B chip, V5.1, dual mode transmission, low power consumption. 100 meters long transmission distance (no barrier), strong signal. <br> 【Stable Transmission Rate】: Drive free adapter, 3Mbps transmission rate, providing high speed file and audio data transmission. <br> 【Support System】: Audio transmitter adapter for Windows 7/8.1/10/11 (for Win8.1 and above, free drive, plug and play) <br> 【Strong Anti Interference Ability】: V5.1 USB adapter, low latency fast link, intelligent sleep and wake up energy saving, 24 bit CRC check to resist interference, adaptive frequency hopping to reduce crosstalk. <br> 【Wide Application】: Drive free adapter is fully backward compatible with V2.0, V3.0, V5.0 specifications. Universal USB2.0 interface. <br> Specification: <br> Frequency Band:2.402G-2.480G <br> Sensitivity:-86dBm@.01%BER <br> RF TX Prower:+6dBm(Class I) <br> Supply Voltage:5V DC(MAX5.75V) <br> Working Current: Depends on profiles, 22mA typical <br> Standby Current (Connected ): 0.4uA <br> Material: ABS Plastic <br> Product Size: 110mmx90mmx15mm <br> Package Includes: <br> 1 USB Adapter <br> 1 Driver Disc <br> Note: <br> Please allow slightly errors due to manual measurement and different monitors. <br>