Illuminate your reading material at home or on-the-go with this amazing book light. Its 6 ultra-bright white LEDs provide brilliant- yet highly focused lighting that won*t disturb bedmates or seatmates. And a pivoting cradle allows you to dock the unit for recharging via your computer*s USB port or to turn it into a hands-free task lamp. ***** 1 hour of USB charging delivers 4 hours of continous light. *** 1 rechargeable battery included.