ELECTOP USB Bluetooth Adapter Free Driver Bluetooth 5.3 AUX 3.5mm Audio Adapter Speaker Transmitter Bluetooth Adapter for PC Product Name: Wirele Audio Transmitter Bluetooth version: Bluetooth V5.3 chip: Bluetooth 5.3 chip (Qualcomm chip) Input port: USB (drive-free)/AUX audio Frequency range: 2.402GHZ-2.480GHZ Supported protocols: A2DP/AVRCP/AFH/HFP/HSP Power level: Cla 2 (Cla II) Device power supply: USB 5V power supply Input voltage: DC 5V One for two: Support simultaneous connection of two stereo headsets. APTX LL High-Definition Audio Takes You There To Be Immersive What is aptx encoding technology? Apt-X is a digital audio compreion algorithm based on Subband ADPCM(SB-ADPCM) technology for profeional audio and broadcasting with the advantages of low latency, good fault tolerance and high sound quality. Support audio encoding: APTX adaptive/APTX HD/APTX LL/APTX /SBC (PS: encoding APTX adaptive is temporarily not supported in chip 8675) Note for APTX use: aptX Adaptive CODEC is preferentially supported in single connection (the connected device must also support aptX Adaptive) Support Dual stream (TX mode): The transmitter supports the simultaneous connection of two Bluetooth speakers or headphones (using the same CODEC), and the dual connection can support up to aptX Adaptive Codec method CODEC: aptX Adaptive/aptX HD/aptX LL/aptX/SBC On/Off: Automatically turn on after connecting the power adapter or computer USB power supply, and automatically turn off after unplugging Button: Click to connect back, double-click to quickly enter the pairing state Status Indicator: The blue light flashes quickly, searching and pairing the first device; the blue light is always on, the connection to the Bluetooth device is succeful; The green light flashes quickly, searching and pairing the second device; the green light is always on, the two Bluetooth devices are succefully connected. Audio encoding indicator: Audio transmiion encoding status light, lights up when corresponding to audio encoding. aptX Adaptive encoding LL and HD lights are on at the same time Function operation: 1. Turn on the Bluetooth headset and set it to pairing mode. 2. Insert the device into the power adapter or the USB of the PC host, double-click the pairing button, the blue LED light flashes rapidly, and the device enters the pairing state. 3. The blue indicator light on the device is always on, and the connection is succeful. (After connecting one device, the blue indicator is always on. Double-click the button, the green indicator flashes quickly and automatically searches for and connects to the second device. After the second device is succefully connected, the green indicator is always on.) PS: 1. When plugged into the computer with usb, the product supports dual functions, that is, it can support voice calls. If it is not usb, only the 3.5 interface does not support voice calls. 2. Support one for two, when connecting two Bluetooth headsets, you can share and enjoy music with friends Bluetooth 5.3 chip (Qualcomm chip) Transmiion distance: >10 meters (PS: The limit distance of open space is more than 40 meters, and the distance is 10 meters in the case of indoor partition walls, adaptive power adjustment) The transmitter supports one for two, and the dual-link supports aptX Adaptive Support: connect two bluetooth headsets or bluetooth speakers at the same time. Supports duplex call mode, you can use computer voice to talk while playing games. (Headphones/speakers need to be equipped with call function) Compatible: common computer systems WindowsXP/7/8/10, Linux/ps4/NS/Android