Description: This is a multi-functional microphone that can be used on your PC, mobile phone, and the infotainment system. This microphone can be connected by Bluetooth, and is compatible with various singing applications. It has clear and vivid sound effect that can be used as a Bluetooth speaker, connect a mobile phone to play audio files. Features: 1. Bluetooth connection: This wireless microphone can be connected to your phone via Bluetooth, then you can enjoy high quality phone karaoke. 2. Recording songs: It can record songs and store them in your phone. 3. Self-timer function: Short press MODE key to switch from Bluetooth mode to self-timer mode, then open the mobile phone Bluetooth, search for "shutter" and connect. Open the phone camera function, press the microphone V + or V- to take pictures. 4. Can be used as a Bluetooth speaker, connect a mobile phone to play audio files. 5. Suitable for most smart phones and hundreds of software applications, easy to use. Specifications: Color: Black, Silver, Gold, Red (Optional) Output Power: 3W Frequency Range: 100HZ~10KHZ Maximum Pressure Level: >115DB Reverberation mode: sound effect reverberation Power Supply: Built-in 18650 Lithium Battery Battery Capacity: 1800mAh Charging Power: DC 5V Size: 24 * 7.5 * 5.5 cm / 9.4 * 3.0 * 2.2in Weight: Approx. 450g Package List: 1 * Microphone 1 * USB Cable 1 * Audio Cable 1 * Manual 1、Bluetooth connection: This wireless microphone can be connected to your phone via Bluetooth, then you can enjoy high quality phone karaoke 2、Recording songs: It can record songs and store them in your phone 3、Self-timer function: Short press MODE key to switch from Bluetooth mode to self-timer mode, then open the mobile phone Bluetooth, search for 4、Can be used as a Bluetooth speaker, connect a mobile phone to play audio files 5、Suitable for most smart phones and hundreds of software applications, easy to use