Portable karaoke bluetooth speaker Bluetooth version: 5.3 Speaker battery capacity: 3.7V/3000mAh (dual MOS) Microphone battery capacity: 3.7V/600mAh (single MOS) Horn: Φ105mm, 3Ω, 10W*1 Effective distance: ≥10M Playing time: speaker≥8-10H, microphone≥2~4H Charging time: speaker≥2~3H, microphone≥2~3H Response frequency range: 60Hz-20KHz Main functions: Bluetooth, TF card/U disk playback, call mode, KTV, one-button elimination of original sound, automatic reconnection of dual microphones Voice changing: original voice, male voice, female voice, baby voice, magic voice Input/Output: DC 5V⎓1A Material: ABS+UV+plating Color: black, white product Bare metal size (mm): 168*139*171 Color box (mm): 192X157X72 mm Bare metal weight: 1182g (including microphone) Weight (product + color box (g): 1.39kg Packing list: manual*1+Type-c charging cable*1 + speaker*1 + microphone*2