DescriptionWanna have a music speaker? Our professional mini wirelessspeaker set might be your best choice. With fine craftsmanship and stylish appearance, it is really great and the sound it produces is clear and beautiful. Reliable to use.Features-Material:aluminium alloy-Size:3.50X5.00X4.00cm1.38X1.97X1.57inch- It owns the good tone quality, you can enjoy the wonderful music time. - Made of high-quality material, which is more durable and practical. - Compact body lets you go anywhere with carrying it. - This speaker can make the volume enlarge, making the voice more clear.- More professional technology, without static and strong anti-interference. Specifications Charging time: about 2 hours play time: about 1-6 hours Battery capacity0.3 A output power3W Effective distance10 meters Mode of operationkeys Signal to noise ratio: 75 db or higher