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 DESCRIPTION: - 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