OxyLED® T22 High-Efficient USB Rechargeable LED Clamp Desk Lamp, 3W white - Task Light /Book Light Cord Length: LED desk lamp Type of Bulb: LED desk lamp Maximum Bulb Wattage: 3W Voltage: Battery capacity: 650 mAh (rechargeable) Amps: Charging time: 2h Temperature Rating: Color temperature: 5500K Indoor/Outdoor: Indoor Color: white