This classic shape bluetooth speaker is made of ABS and Canvas fabric which can connect with your laptops, PC, smart phone and pads by bluetooth. Rubber oil treatment on surface. 300mAh Li-ion battery provides strong battery life. Lifetime is up to 6 hours. Accept TF card, AUX audio, FM radio Mode and USB flash disk input. Any company logo, company name can be printed on it. Welcome your customization. 4.72" L x 3.15" W x 1.38" H