IRIN 4/4 Electric Violin Smart Silent Carbon Fiber Professional Technology Electric Violin with Shoulder Headphones Durable Part

High-concerned chemical : None Model Number : Electric Violin 4/4 Size : 4/4 Bow Material : Carbon Fiber Fingerboard Material : Carbon Fiber Top Material : Carbon Fiber Back / Side Material : Carbon Fiber Face Material : Carbon Fiber Tailpiece Material : Carbon Fiber Brand Name : M MBAT Origin : Mainland China Electric Violin 4/4 : Silent Violin Professional Advanced Electric Violin : Shoulder Headphones