Product parameters:_x005F_x000D_Product Model: C20 Plus Portable Karaoke Speaker_x005F_x000D_Bluetooth version: 5.0_x005F_x000D_Battery capacity: 3.7V 1000mAh speaker 500mAh microphone_x005F_x000D_Speaker: 52MM 4 5W_x005F_x000D_Effective distance: 10M_x005F_x000D_Playing time: speaker2~4H, microphone2~4H_x005F_x000D_Charging time: speaker2~3H, microphone2~3H_x005F_x000D_Response frequency range: 60Hz-20KHz_x005F_x000D_Function: Bluetooth, TF card playback, call mode_x005F_x000D_Voice changing: KTV, original voice, male voice, female voice, doll voice, magic voice_x005F_x000D_InputOutput: DC 5V1A_x005F_x000D_Material: ABS+UV+plating_x005F_x000D_Bare body size mm: _x005F_x000D_40*40*123 mm microphone_x005F_x000D_115*60*75mm speaker_x005F_x000D_Bare metal weight: 85g microphone 265g speaker_x005F_x000D_ _x005F_x000D_Packing list:_x005F_x000D_Speaker*1_x005F_x000D_Microphone*1_x005F_x000D_Charging cable*1_x005F_x000D_Manual*1_x005F_x000D_