Features 1.2 Microphones: Portable karaoke speaker comes with 2 microphones and 2 built in 1200mah lithium ion batteries for over 3 hours of continuous operation. 2.Bluetooth 5.0 Chip: Mini karaoke machine is built with the latest bluetooth 5.0 chip for wireless streaming, providing more stable transmission and longer range. 3.Input Connection: Bluetooth karaoke speaker supports flash memory, USB and AUX input connection, compatible with for Android phone, TV, for IOS, tablet, computer. 4.Multi Interface: Portable karaoke speaker supports bluetooth mode, U disk and other playback modes, suitable for indoor and outdoor. 5.Special Design: Bluetooth karaoke speaker has a special design on the top, you can safely put your phone or tablet on it. specificationItem Type: Karaoke Speaker _x000D_ Material: ABS_x000D_ Bluetooth Version: V5.0_x000D_ Driver Unit: 2 x 3IN_x000D_ Frequency Range: 100Hz to 18KHz_x000D_ Signal To Noise Ratio: 80dB_x000D_ Output Power: 10W and 10W_x000D_ Bluetooth Distance: Approx. 10m / 32.8ft_x000D_ Microphone Distance: Approx. 10m / 32.8ft_x000D_ Charging Interface: Type C_x000D_ Main Features: Bluetooth, LINE, U Disc, Self Contained K Song Mode_x000D_ Speaker Battery Type: 1500mAh Lithium Ion Battery (Built In)_x000D_ Microphone Battery Type: 2 x 1200mAh Lithium Ion Batteries (Built In) PackageList 1 x Karaoke Machine 2 x Microphones 1 x Charging Cable 1 x Sound Cable 1 x Instruction Manual