Aluminum Alloy Cooling Holder Desktop Portable Simple Laptop Bracket, Six-stage Support, Size: 21x26cm (Black Grey) Filter-10 - 11 inch Mouse: 1 AA battery (included)

Mouse: 1 AA battery (included)

but the USB connector is also used as an extension of your USB interface

4GHz connection

Key life: 5 million times (Mute switch)

Battery capacity: 1000mAh

Aluminum Alloy Cooling Holder Desktop Portable Simple Laptop Bracket, Six-stage Support, Size: 21x26cm (Black Grey) Filter-10 - 11 inch Mouse: 1 AA battery (included)Feature 1. Improve ergonomic posture to moderately increase the height of the notebook screen and alleviate cervical fatigue and numbness of the wrist caused by long term use of the notebook computer. 2. Aluminium alloy material, solid and stable, high frequency typing does not shake, easy to learn and use. 3. Can adjust a variety of angles, can raise or lower the angle to fit a comfortable sitting position, and care for the cervical spine. 4. Fold