4 In 1 USB Bluetooth Audio Transmitter Receiver 3.5MM AUX RCA Stereo Wireless Ad

Note:Data file transfer is not supported, only audio transfer is supported.
What is 4 in 1 Mode?
1.TX------Bluetooth Transmitter Mode
2.RX------Bluetooth Receiver Mode
3.PC------PC USB Audio Transmitter Mode
4.SC------Sound Card Mode
Product Features:
1.Transmitter Mode (TX): Wirelessly transfer audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers.
2.PC Audio Transmitter Mode(PC): Wirelessly transfer audio from the PC, notebook to Bluetooth headset or speaker through USB port, no audio cable is required.
3.Receiver Mode (RX): Wirelessly transfer audio from your Bluetooth-enabled phone, tablet, or computer toyour wired stereo, speakers, or headphones.
4. Sound card mode (SC): USB external sound card, solve the problem of damage to the original sound card of the computer, expand the AUX audio interface, and easily connect wired headphones/speakers/headsets.
5. Built-In High-Definition Microphone, Support Wireless Music Listening, Hands-Free Call, Navigation;(Note:Only RX Receiver Mode Support Mic Calling,TX/PC Transmitter Mode Is Not Supported Microphone)
6. Mini size: With anti-scratch matte process, the body is small and portable. Size 40*18*10mm
Product Specifications:
Product Name: 4 IN 1 USB Bluetooth Audio Adapter
Product version: Standard
Product Model: K10 Pro
Bluetooth Version: Bluetooth V5.1
Chip: AC6951C
Transmission Range: 10-20m (barrier free)
Interface: USB/3.5mm AUX
Input Parameter: DC 5V-2.1A(MAX)
Support Protocol: A2DP/AVRCP
Product Dimension: about 40*18*10mm
Using Method: Drive free
Product Color: Black
Product aterial: High strength fireproof ABS
Basic Functions: RX Bluetooth Receiving+TX Bluetooth transmitting+PC transmitting+SC external sound card.
Support Devices: All kinds of speakers、desktop computer、 laptop、 TV、 power amplifier、projector
●Receiver Mode For: Car Kit/Wired Speaker/Home Speaker/Power amplifier/Headphone ect...
●Transmitter Mode For: TV/PC/Projector/Power amplifier/TV Box /Bluetooth Headphone/Earphone/Bluetooth Speaker ect...
Package Included:(Standard Edition)
1x USB Bluetooth Audio Adapter
1x 3.5MM Audio Cable
1x User Manual
(PS: If you not selected the "with RCA Cable",RCA Cable will not included)
Please Note:
We recommend that you use a 5V1A charger to power the adapter to avoid insufficient voltage and current, which may cause current sound or noise when the adapter is in use.