1. KARAOKE MICROPHONE WITH SPEAKER- Microphone with speaker, allows you to listen and sing songs; connects to external devices (e.g. phone, tablet, SMART TV with ANDROID or IOS operating system) via Bluetooth 4.0.- Once connected, the sound is played through the microphone speaker.2. Voice modulation:- While you sing, the microphone allows you to adjust the volume, background music, bass, treble.- The microphone also allows you to use the echo effect, which gives the effect of a DJ playing in a club.3. Features:- Lightweight, small and practical, so you can take it with you anywhere - to a party with friends or outdoors.- No need to install any applications to connect to the devices.- Shiny metallic paint has a stylish look.- It can be a good gift idea, regardless of age.4. SPECIFICATION:- Color: rose gold- Frequency range: 100 Hz - 10 kHz- Battery: 1200 mAh lithium - ion- Working time: 6 - 8h- Power supply: USB charger (5V charging voltage)- Sound parameter adjustment: Bass, Treble, Echo- Phone connection: Android / IOS- SD card input (Bluetooth / IOS version): yes- Dimensions (width / height): 7.5 / 7.5 / 23 cm- Weight: 255 g- The package includes: rechargeable battery, USB mini cable- Full charging time is about 2 hours.5. BUTTON- PREV: previous song- NEXT: next song- SCAN: pause / resume song- REC: voice modulation / change- VOL +: increase volume- VOL -: decrease volume- MICVOL: increase / decrease microphone volume- REMIX: provides echo effect