【4 LED Lighting Effects】The speaker adopts LED rainbow light hidden at the bottom. It provides a more attractive lighting atmosphere but protects your eyes when playing games or watching movies. Click the "☀" button to change the light effect mode, and the light button can turn on/off

【USB Plug & Play】Just plug in the USB port for power (such as a laptop, PC host, USB port audio adapter) and it will automatic power on. No drivers or software need to be installed.

【Bluetooth Mode】Plug the USB connector and click the “M” button to change into bluetooth mode. Search " R100" on smartphone/tablet and connect. (Note: Need USB Powered)

【Easy to Use】4 independent buttons for easy operation of various functions. Click “M” button to change PC/Bluetooth Mode, Long press to power on/off. Click “☀” button to change light modes, Long press for 3s to clear the bluetooth memory. Click or Long press “+” and “-” to volume up/down.

【Wide Compatibility】The Laptop Speaker supports most of the devices. Compatible with PC, Computer, Laptop, Tablet, phones. USB-C to USB Adapter Included allows the speaker work well with Type-C port only devices. (Item Dimensions D x W x H: 16"D x 2.5"W x 2.5"H, Weight: 1.43lb)