iBest Portable Stereo Rechargeable Speaker(Black) Filter-Cooling Pads Connect the laptop to the

Connect the laptop to the projector

White Balance: Automatic

Charging port connector for Huawei Mate 20 lite / Honor View 10 / V10 / Honor Play

high-precision total reflection optical collector

stability technology automatically avoids channel conflicts using its channel selection feature

iBest Portable Stereo Rechargeable Speaker(Black) Filter-Cooling Pads Connect the laptop to the1. Compact size but great power. 2. Built in lithium ion battery. 3. Save energy, long playback time. Specification: General Material ABS Speaker Diameter 36mm Speaker Power 2W Impedance 4ohm Frequency Response 50Hz 20KHz SNR >90Db Interfaces 1 x TF card slot 1 x 3. 5mm Earphone Jack 1 x Mini USB port Charging Voltage DC 5V Charging Current 500mA Sensitivity 90db Battery Battery Types Undetachable, Li ion Dimensions & Weight Item Size 10. 2*4. 7*2.