PARTICULAR DESIGN: The excellent design of mic is very suitable for your hand, which let you feel more comfortable; And the built-in high-quality Bluetooth module can be used as a wireless speaker, mp3 player, and recorder, compatible with singing applications. WAY CONNECTION: Bluetooth Connection ,You just need to connect your phone with Bluetooth, and then open the singing APP on your phone; The built-in clear audio and the vividly sound effect let you listen and sing anytime and anywhere. HIGH COMPATIBILITY: Supporting SD card (NOT INCLUDED) and song switch; The Bluetooth has a great distance of connection EASY TO USE: Multi-function buttons, easy to switch to different modes, adjust microphone, , and music volume separately, enjoy singing along with the music; With mode, a mic can bring a surrounding immersion. MICROPHONE FOR KIDS & ADULTS: Cute gifts idea for kids, teens and adults, friends and family, suitable for all kinds of holidays and festivals. Hign-concerned Chemical:None Diaphragm:S-Mall Patterns:-directional Communication:WireLess Set Type:Single Microphone Colour:Blue Material:ABS Package Contents: 1 * speaker 1 * charging cable 1 * Multi-language instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.