Piano Lamp / Music Stand Lamp - Clip On, Battery, USB, or 120VAC Powered

9 ultra-bright LEDs with two brightness settings. Evenly illuminates music, distributing light without hot spots. 21cm flexible metal goose neck provides 360 degree adjustment, compact storage. Mounts securely to piano music desks, music stands, and table tops. Silicone padding on clip protects the gripped surface from damage. Power the lamp externally from any 5V USB source with the included 6' USB cable, or go portable and get 20 hours of use with (3) AA batteries (not included). 120VAC to USB (5VDC) wall adapter included (for USA-compatible outlets).