This mini Bluetooth music receiver is incredibly easy to use. All operations can be completed with just one button on the device. You can answer calls and connect to your device with a single press. The built-in rechargeable battery provides up to 5 hours of playback and talk time, with a charging time of approximately 2-3 hours. Connect this Bluetooth receiver via a 3.5mm audio cable/adapter, then pair it with your phone or other Bluetooth devices to easily listen to music and more.Simple Operation: First, press and hold the button for about 3 seconds. Release the button when the LED indicator starts flashing red and blue alternately or when you hear a voice prompt from the device. Then, search for and select "Bluetooth Music" in your device's Bluetooth settings. Once pairing is successful, the blue LED indicator will flash, and the device will provide a voice prompt. After the first successful connection, the Bluetooth receiver will automatically pair.Compact Design, Supports Bluetooth Hands-Free Calling: This mini Bluetooth receiver features a uniquely compact design. It's very convenient to carry and charge, and thanks to its automatic pairing function, it can easily turn your car speaker into a Bluetooth speaker, enabling hands-free calling, GPS navigation, music playback, and driving safety features.Compatible models: Suitable for all portable devices with a 3.5mm audio jack, for use in car systems/home audio systems. Compatible with most smartphones and Bluetooth electronic devices, such as:iPhone 5 / 5S / SE / 6 / 6S / 6 Plus / 6S Plus / iPhone 7 / iPhone 7 Plus / iPhone 8 / iPhone 8 Plus / iPhone X / iPhone XS / iPhone XS Max / iPhone XR / iPhone 12 Mini / iPhone 12 / iPhone 12 Pro / iPhone 12 Pro Max / iPhone 11 / iPhone 11 Pro / iPhone 11 Pro Max / iPad Air / iPad / Samsung Galaxy J3 / J4+ / J5 / J6+ / A8 / S5 / S6 / S6 Edge / S7 / S7 Edge / S8 / S8 Plus / Galaxy S9 / Galaxy S9 Plus / Galaxy S10 / Galaxy S10E / Galaxy S10 Plus / Samsung Galaxy S20 / Samsung Galaxy S20 Plus / Samsung Galaxy S20 Ultra / Samsung Galaxy S21 / Samsung Galaxy S21+ / Samsung Galaxy S21 Ultra / Samsung Galaxy Note 10 / Samsung Galaxy Note Compatible with OnePlus 10+ / Samsung Galaxy Note 20 / Samsung Galaxy Note 20 Plus / OnePlus 3 / OnePlus 5 / OnePlus 5T / OnePlus 6 / OnePlus 7 / Huawei P9 / Huawei Honor 8 / Huawei Honor 9 / Huawei Mate 20 Pro / Huawei P20 / Huawei P20 Lite / Huawei P20 Pro / Huawei P30 / Huawei P30 Pro / Huawei Mate 30 Pro / Sony / Nexus / Google / Android / iOS, etc. For example,music such as Spotify can be wirelessly streamed to your car audio system via the adapter.Note! Some devices may not be able to charge and use simultaneously.This mini Bluetooth music receiver is incredibly easy to use. All operations can be completed with just one button on the device. You can answer calls or connect devices with a single click. The built-in rechargeable battery provides up to 5 hours of playback and talk time, with a charging time of approximately 2-3 hours. Connect this Bluetooth receiver using a 3.5mm audio cable/adapter, then pair it with your phone or other Bluetooth devices to easily listen to music, etc.Simple Steps: First, press and hold the button for about 3 seconds. Release the button when the LED indicator starts flashing red and blue alternately or you hear a prompt tone from the device. Then, search for and select "Bluetooth Music" in your device's Bluetooth settings. Once pairing is successful, the blue LED indicator will flash, and the device will emit a prompt tone. After the first successful connection, the Bluetooth receiver will automatically pair.Compact Design & Bluetooth Hands-Free: This mini Bluetooth receiver features an exceptionally compact design for easy portability and charging. With its automatic pairing function, it can also conveniently turn your car speaker into a Bluetooth hands-free speaker, enabling hands-free calling, GPS navigation, music playback, and driving safety functions.Compatible Devices: Works with all portable devices with a 3.5mm audio jack for car systems/home audio systems. Compatible with most smartphones and Bluetooth electronic devices.