This bluetooth speaker is small body but able to releasing surprisingly room-filling loudness and clear sound.Dual Sound-Proof High Performance S-Bass Deep Bass,Let the Bass is More Shocking,More Melodious the Treble,Midrange Clarity.The effective sound distance is up to 10 meters.It easy to take anywhere and it is a good companion for your trip.it's the best gift choice for kids,family and friends,and can be used on any occasions.