Item Type: Mini Karaoke Machine Product Material: ABS Frequency Response Range: 100Hz-10KHz Maximum Sound Pressure Level: >115dB 1 KHzTHD<1% Bluetooth Distance: Approx. 10m / 32.8ft (Accessible) Wireless Microphone Distance: Approx. 10m / 32.8ft (Accessible) Battery Life: Approximately 4-5 Hours Memory Card: Micro Memory Card (Not Included) Sound Size: Approx. 85 x 75 x 65mm / 3.3 x 3.0 x 2.6in Microphone Size: Approx. 37.7 x 135.8mm / 1.5 x 5.3in Speaker Battery: 2000mAh Lithium Ion Battery (Shipped With Built In Battery) Package List 1 x Speaker 1 x Microphone 1 x Charging Cable 1 x Manual 1Shocking Loudspeaker and Premium Acoustic Structure: 57mm full frequency large caliber speaker, highly reproducing sound, enjoying HIFI surround high and low frequencies. 2Long Press to Cancel Original Sound: One click switch to cancel tone mode, accompaniment is no longer a problem, enjoy the comfort brought by good sound quality. 3Fun Variations: Standard, KTV, goddess, male god, doll sound, magic sound. Multiple sound changes, one click switching, ready to change at any time. 4Rich Interfaces and Multiple Playback Modes: Bluetooth mode, micro memory card mode, OTG mode. More options bring more gameplay. 5Mini and Portable: Put mini karaoke machine with wireless microphone in the car trunk or bag, whether it's resting at home or traveling, bring it with you and sing whenever you want. 6Creating A Home KTV: Convenient and simple connection method without complex connections. Connect your phone to Bluetooth and sing anytime, anywhere you want.