Can be directly connected to speakers, with power amplifier and decoding functions. (Long press the MODE button to start recording, long press the MODE button again to cancel the recording and play the recording file; exit the recording mode and long press the pause button to exit. ).
eBay
XPPen Wireless Shortcut Remote Express Key Bluetooth 5.0 Customizable shortcut keys for Graphic Tablet Pen Display Monitor
Aliexpress UK
This wireless amplifier module supports bluetooth-compatible 5.0 and the signal is quick, stable and low delay. This bluetooth-compatible 5.0 amplifier module can be used as a computer sound box and speaker DIY.
eBay
2 in 1 Wireless Bluetooth 5.0 Receiver Transmitter Adapter 3.5mm Jack For Car Music Audio Aux A2dp Headphone Reciever Handsfree
Aliexpress UK
Audio output: left and right channel + subwoofer + 3.5mm stereo port. Bluetooth audio amplifier module 2.1 channel, maximum output power 2X50W+100W. High quality amplifier board. With AUX and Bluetooth two kinds of audio input, two in one, 5.0 Bluetooth version, higher transmission efficiency and longer transmission distance.
eBay
USB Bluetooth 5.0 Adapter Wireless Bluetooth 5.0 Dongle Adapter For PC Laptop Wireless Speaker Audio Receiver USB Transmitter
Aliexpress UK
Can be directly connected to speakers, with power amplifier and decoding functions. Support external audio input line input (aux);. (Long press the MODE button to start recording, long press the MODE button again to cancel the recording and play the recording file; exit the recording mode and long press the pause button to exit. ).
eBay
SOOMFON Bluetooth 5.0 Transmitter Wireless Audio Adapter for Nintendo Switch Lite 3.5mm Jack
Aliexpress UK
(PCB size 40MM 34MM 9MM (including nest);. After searching (YMX-868BT) "Touch Pairing", it also hears "Connected successfully or prompts" to complete the pairing;. 3) Audio output: 3P block OUT audio output can be modified for external power amplifier, the middle is audio ground, left and right are L and R respectively.
eBay
Xiaomi Redmi TV Sound Bar Speaker Wireless Bluetooth 5.0 30W Audio Bluetooth Music Playback for PC Theater TV Wireless Sound
Aliexpress UK
1pcs TWS Bluetooth 5.0 Power Amplifier Board 30W / 20W. At 16V4A, the maximum output power is 30W. At 12V4A, the maximum output power is 20W. Amplifier board size: 7.1x4.3CM.
eBay
INPHIC A1 Wireless Bluetooth Tri-mode Mouse Rechargeable Office Silent Button Mouse Power Display Laptop Universal Bluetooth 5.0
Aliexpress UK
At 19V4A, the maximum output power is 40W. At 24V4A, the maximum output power is 50W. No call function.
eBay
2 In 1 USB Bluetooth 5.0 Audio Receiver Transmitter 3.5mm AUX Stereo Music Wireless Adapter With Mic For Car Kit Speaker TV PC
Aliexpress UK
Can be directly connected to speakers, with power amplifier and decoding functions. (Long press the MODE button to start recording, long press the MODE button again to cancel the recording and play the recording file; exit the recording mode and long press the pause button to exit. ).
eBay
Bluetooth 5.0 Audio Receiver Transmitter 2 IN 1 RCA 3.5MM AUX Jack USB Dongle Stereo Wireless Adapters For Car TV PC Headphone
Aliexpress UK