Features:Brand new and high qualityPower by plugging the USB power cable into virtually any USB port， or by connecting to the AC wall outlet adapter(adapter not included)No recharging function， only work through USB portSuitable for PC， MP3， MP4， laptop computerSpecification:Input Power: USB DC 5VColor: BlackSize: 7cm x 7cm x 6.7cmweight:190gWeight:210gPackage Included:1 x Mini Speaker set