SHARKK&reg; Bluetooth BUDDY SYSTEM Speakers Set For Double The Sound / Alloy Steel Housing / Powerful Loud and Clear Sound with Bass / Built In Micro SD Card reader / Built in Microphone For Phone Calls / Works With All iPhones / iPhone 5c And 5s / All iPad's / iPad Air And iPad Mini Retina / iTouch and iPod / Nexus / Samsung Glalxy Note And Tab / Samsung Galaxy S4 S3 S2 / And All Phones and MP3 Players Get double the sound with this SHARKK buddy system speaker set which includes 2 speakers that connect to each other and play music from your mobile device using Bluetooth Use these 2 speakers to create a suround sound affect. Speakers work indevidualy as well Output Power per speaker: 3.0W Frequency Response per speaker: 60Hz-18KHz. SHARKK speaker has a slot for SD cards and can read MP3 files. Packge includes: 2 Speaker, Charging cables, AUX cables, Speaker connection Cables, Carrying pouches, Instruction manual