Sansai LED Adjustable Rechargeable Night Neck Reading Study Camp Light/Lamp Sansai LED Neck Reading Light Suitable For The Scene – This Neck Book Light Made Of High Quality Silicon Rubber. Easier Wearing It On Your Neck To Free Hands. Ideal For Reading Book, Night Jogging And Mending. Rechargeable Neck Light -built-in 1000mah Rechargeable Battery, Long-lasting Battery, Can Work For 8-60 Hours After Being Fully Charged, Depending On Brightness And Usage. 3 Brightness Modes – This Reading Light Has 4 LED Lamp, And 3 Useful Color Temperature Modes: Yellow, Warm White And Cool White Sufficient Brightness – Each Lamp Brightness Is Up To 20 Lumens, It Is About 80 Lumens When 4 Lamps Work At The Same Time. Easy To Carry On – Only 101.5 G Weight, The Neck Light Doesn’t Require Much Space And Can Fit Easily Into Your Carry-on Suitcase. - Colour: White 1000m - Ah rechargeable - Dimensions Approx.32 x 14.5 x 2.7mm - Light - Includes 1 x Sansai LED Neck Reading Light