This foldable keyboard Wireless Device uses Bluetooth connection for a wireless use; It is practical This keyboard is foldable and easy to carry; it is lightweight, travel-friendly and easy to use Compatible with many different devices; The keyboard is rechargeable and durable Material: ABS/ Voltage: 3 to 4.2 V Effective distance: 15 meters/ Weight: 140g Folded Size: 150 x 58 x 10mm/ Full Size: 286 x 89 x 5 mm Package Contents: 1 x Foldable Keyboard 1 x User Manual 1 x Cable 1 x Package Box