Compact Bluetooth receiver for wireless audio transmission to audio devices equipped with a mini jack (3.5 mm) connector. It allows you to turn traditional speakers, audio systems or car radios into modern Bluetooth-enabled devices. Product features: • 3.5 mm mini jack connector – universal connection to most audio devices • Bluetooth module – wireless music playback from your phone or tablet • Built-in microphone – hands-free calling • Powered by built-in battery (BATT) – charging via USB port • Control button for calls and music • Compact size and lightweight design • Compatible with Android and iOS Advantages: • Adds Bluetooth functionality to any device with an AUX/mini jack input • Wireless music playback without the need for cables • Hands-free kit for increased safety while driving • Mobile design – ideal for the car, home or office • Easy pairing and simple operation Universal plug & play Bluetooth receiver – the perfect solution for users who want to easily expand the functionality of classic audio devices with wireless connectivity and hands-free functionality.