Following Tascam TC-1S is proclaimed as the first solar powered guitar tuner in the world! Taking the dimension of 3.77 x 0.71 x 1.57 inches, Tascam TC-1S is small enough to fit into about any stocking. Designed with rugged silicon wrap, you will also find a USB port for recharging when the sun is shy and hide behind those clouds.
Tascam TC-1S solar powered guitar tuner has a carrying clip, a quarter-inch input for guitar and bass tuning and an integrated microphone. Calibration of external sources is also possible when needed. There are six color options of black, white, blue, yellow, green and pink.
Price: below USD40.-