MOCREO CLIPR-025 4.0 Bluetooth Wireless Stereo Audio Streaming Receiver Adapter for 3.5mm Devices - Black Lastest Bluetooth CRS 4.0 enables you enjoy the music from your mobile phones without wire restriction. You'll get reliable, high-quality sound. Automatically connect with the last-paired audio device. Please note that don't use headphone's MIC when talking, only the device's MIC availble Equipped with a solid clip, very convenient for your wearing. Ultra-portable and it can be clipped on your clothes or bag for convenience Multi-functional buttons for easy to access to tracking control, answer and end calls, volume controls. Aptx coding delivers full wired sound quality with an impressive dynamic range over Bluetooth. Warranty: Comes with a 1 years' warranty