The Earldom ET-M69 Bluetooth Adapter is a compact and convenient device that upgrades your car's audio system by adding Bluetooth functionality. It supports high-quality audio streaming from your phone, allowing you to play music via MP3, WMA, WAV, and FLAC formats. The adapter features TF card playback, Bluetooth reception, and hands-free calling, making it ideal for safe and convenient driving. With its Bluetooth V5.1 technology, it ensures stable connections and seamless audio experience. The device also allows you to control your music with the up and down buttons, as well as adjust the volume. Specifications Brand: Earldom Model: ET-M69 Bluetooth Version: V5.1 Chips: JL AC7006F4 Material: ABS, Metal adapter Battery: 200mAh Polymer 402030 Audio Format Support: MP3, WMA, WAV, FLAC Functionality: TF card playback, Bluetooth reception, hands-free calls, song control, volume adjustment Dimensions: 10010025mm Weight: Lightweight and portable Key Features Bluetooth V5.1 for stable and high-quality audio streaming Supports MP3, WMA, WAV, and FLAC audio formats TF card playback for additional media options Hands-free calling feature for safer driving Song control and volume adjustment for easy operation Compact design with ABS and metal materials for durability Long-lasting battery (200mAh) for extended use Easy installation and suitable for most vehicles