Multiple LED Lighting Modes - Our LED book light has 5 light settings with 3 adjustable levels of brightness to make reading at night free from disturbance. Simply choose your preferred colour setting and adjust the brightness to prevent any eye strain. The perfect sleeping partner for night owls! Battery Life - With a battery life of up to 80 Hours our rechargeable book light is perfect for on the go book lovers or those who want to keep home light usage to a minimum. It is equipped with a USB charging port allowing you to charge it with a laptop, power bank or car charger and takes 3 hours to fully charge. Flexible Light - Designed as a clip on book light we knew it was important for the light to have flexibility - our LED booklight once clipped, can be rotated 45 degrees down and up, allowing you to adjust the angle of the light to suit your needs. On the go? Compact size and lightweight materials mean our book light can easily slip into your pocket when travelling and conveniently clip onto your paperback books too. The perfect mini book reading light for late-night reading in bed. Fallen asleep? - With a 30 minute timer setting, the Runesol night reading book light will be out like a light just after you. Just press and hold button 3, until the light flashes twice and it's all set. This setting saves your battery and you don't need to recharge everytime you fall to sleep reading.