F20 bluetooth 2.0 Wireless Protable HIFI Subwoofer Stereo Bass Loudspeaker Speaker

Features: 40mm dual speakers, the release of a rich sense of music level Built-in noise reduction microphone, support hands-free calls For you to listen to music at home/office/bedroom or when walking outside bluetooth transmission distance of 10m, compatible with Windows / Android / IOS system Portable design convenient for you to carry with, enjoy music at any time and at any places bluetooth: V2.1 + EDR Distance: 10m Battery capacity: 1200mAh Charging time: 2 hours Rated power: 43W x 2 Speaker specifications: 2" x 2 System frequency response: 30Hz -20KHz Signal to noise ratio: 60db Input sensitivity: 600100mV Package Included: 1 x bluetooth Speaker 1 x USB Cable 1 x Audio Cable 1 x Manual