https://www.aliexpress.com/item/32822568811.html?storeId=1199788&spm=2114.12010608.0.0.LL91H3
– Bluetooth 2.1 + EDR compliant.
– A2DP v1.2, AVRCP v1.0 and HFP v1.5 profile.
– Integrated stereo ADC and stereo DAC.
– Operating voltage: 4-12V (onboard 3.3V regulator circuit)
– Operating current: 65mA (max)
– Onboard 3.5mm dual channel headphone jack
– Onboard XH2.54mm-2P interface for power supply
– Bluetooth name: BK8000L
– สามารถใช้ AT Command เพื่อสั่งงาน Bluetooth ได้อีก