Feature: 1. Cassette Work While Charging: This version allows you to enjoy seamless music playback while charging. Experience unlimited listening by saving your favorite songs to a Micro storage card (Storage card not included). Enhance your music experience with added convenience. 2. Automatic Power Off: Never worry about battery drain. Once disconnected from any device, the Bluetooth receiver intelligently powers off within 5 minutes, ensuring optimal battery life for your portable music needs. Ideal for on the go music lovers. 3. Plug and Play: Effortlessly connect to your sound devices with our user friendly cassette converter. No drivers or software needed, just plug in and enjoy. With the ability to play both sides of your cassette tapes, relive the nostalgia without the hassle. 4. Advanced 4 Channel Head: Equipped with a four channel magnetic head, ensuring superior music clarity and performance. Bluetooth compatible with all smartphones and tablets, enjoy handsfree calling through your car's built in microphone and speakers. 5. Universal Bluetooth 5.0 Receiver: Experience the future of wireless sound with our universal Bluetooth 5.0 cassette receiver. Complete with a USB 2.0 charging cable, this device is a nice addition to your music system, making it easy to listen to your favorite tunes wherever you are. Specification: Item Type: Car Cassette Converter Material: Plastic Storage Card Slot: Support Storage Card(Not Include) Weight: Approx. 61.00g / 2.15oz Compatible Devices: Speaker Specific Product Use: Microphone Connector Type: Bluetooth 5.0, Micro Storage Card Advanced Features: 1. Can work while charging. 2. Added support for storage card. 3. Tape converter can play both sides of the tape. 4. Equipped with a new four channel magnetic head. 5. No noise or gear rotation noise when music is paused.. Package List: 1 x Cassette Converter 1 x USB Cable