Description 1. Updated version: Bluetooth receiver for non-bluetooth headset/speaker/car/home stereo system with 3.5mm auxiliary adapter. Instantly turn your non-Bluetooth device into a wireless Bluetooth device. This upgrade solves most of the Bluetooth receiver usage problems on the market (e.g. support stereo, charging, high sound quality, longer usage time). The design of the pen holders and the convenience of carrying allow you to enjoy wireless music anytime, anywhere It can present excellent audio performance, speak clearly, use the built-in microphone for hands-free calling, and make it easy for friends to chat. 8 hours of talk and play time or up to 120 hours of background standby 3. Easy to use: change the volume, play/pause or skip music effortlessly. Apple devices can even activate Siri with the push of a button. Available for connections with a range of up to 10 meters. Connect 2 devices at the same time. Don't miss a call while enjoying wireless music 4.Compatibility: The Bluetooth stereo audio receiver adapter is suitable for most Bluetooth-enabled devices, such as iPhone, iPod, iPad, Samsung, LG, Huawei, HTC and other Android -Smartphones. Simply connect any device with 3.5mm Aux audio jack, e.g. B. for speakers, headphones, car/home stereo, so that your device has wireless Bluetooth immediately