Mini Bluetooth 5.3 Audio Adapter - With upgraded version of Bluetooth 5.3 technology, enjoy non-inductive delay to improve call sensitivity and connection stability. You just need to connect it with Non-Bluetooth devices, then they can be upgraded to Bluetooth devices, and the in-ear earphones can effectively isolate noise and enjoy music easily. | Wide Compatibility - Audio receiver for headphones, home/car stereo. Works with most devices like Phone, Tablet, laptop, most speakers, etc. The standard 3.5mm audio adapter is suitable for any powered PC speakers, car/home stereo sound system and wired headphones. Bluetooth disconnection with vibration alert to prevent loss. | Safe Hands-free Calling - Built-in mic and voice control(activate your siri voice assistant) for convenience and safer hands-free calls while driving. The adapter equipped with ANC+ENC noise cancellation technology, high-resolution audio decoding, ANC reverse sound wave active noise reduction, ENC call noise reduction, suppress environmental noise, pick up human voices more accurately, and easily listen to the sound quality of CD records. | New Upgrade 3 Modes - Freely switch between game/music/Bass modes, super-capacity lithium battery, listening to music for about 200 hours, easily meet all-weather and daily commuting entertainment needs, LED real-time power display, power consumption at a glance. | Spring Back Clip Design - It is firm and does not fall. Light weight with wearable clip, specially designed for sports and music lovers, just hang it on your pocket or jacket to enjoy music while running, jogging, hiking or doing other exercises.