Color随机，For large quantities, please discuss separately！ C20 New model：C20 PLUS Bare machine size：115*60*75MM Microphone尺寸：40*40*123MM Packaging size：192*157*72MM Outer box size：65.5*40.5*38.5CM  Number of boxes packed：40PCS MAO Zhong：20.86KG Color：Simple and elegant white/Eggshell yellow/Thistle powder/Light grass green Function：BT/TF/"Call"/Change of voice模式 Product model: C20 Plus PortableK歌Speaker  Bluetooth版本:  5.0 Battery capacity:  3.7V   1000mAh(Speaker)  500mAh (Microphone) "Horn": 52MM 4Ω 5W Effective distance: ≥10M Playback duration: Speaker≥2~4H,Microphone≥2~4H Charging time:  Speaker≥2~3H,Microphone≥2~3H Response frequency range: 60Hz-20KHz Function：Bluetooth、TF"Card playback"、Call mode            Change of voice：KTV、Original sound、Male voice、Female voice、"Baby's voice"、"Magic Sound" Input/Output: DC 5V⎓1A Material:  ABS+UV+Electroplating Color: pink、Beige、Light green、white