COOLCOLD U2S Portable Foldable Hollow Double Triangle Height Adjustable Aluminum Alloy Bracket for Laptop Bluetooth Speakers Humidity range: 20%RH~90%RH

Humidity range: 20%RH~90%RH

Packing list: Host x1

Product weight: about 506

Using Android 4

COOLCOLD U2S Portable Foldable Hollow Double Triangle Height Adjustable Aluminum Alloy Bracket for Laptop Bluetooth Speakers Humidity range: 20%RH~90%RH1. Foldable and carryable. 2. The six speed angle can be adjusted, can be raised or lowered, adapt to a comfortable sitting posture, and care for the cervical vertebrae. 3. Thin to 4 mm, static load bearing capacity of about 32500g, double triangle design synchronous force, stable center of gravity will not fall back and forth. 4. Aluminum alloy material, solid and stable, high frequency typing does not shake, easy to work and study. 5. Openwork