Felix Niederhauser
“Small design, easy to carry, built-in 1200mah rechargeable battery, allow you practice fingering anytime and anywhere, can be used continuously for 9-10 hoursalso. Great for classroom”
“Small design, easy to carry, built-in 1200mah rechargeable battery, allow you practice fingering anytime and anywhere, can be used continuously for 9-10 hoursalso. Great for classroom”