XSKN X-mini II Red Capsule SpeakerDelivering on thepromise of "Sound beyond size" the x-mini II Capsule Speaker is petite in size but massive in sound. Hook it up to your mobile phone, MP3 player or laptop and impress your friends with this pocketsize boom-box. Pump out your tunes with crisp clear acoustics that will easily fill up a room and elevate the mood of everyone around you.Furthermore,the x-mini II comes with an all new feature called the "Buddy-Jack". X-mini owners can now come together and connect a row of X-minis to a single music source (e.g. MP3 player) to enhance the overallvolume and audio clarity among a larger audience.Specifications:Dimension: 55mm x 44mm (closed resonator)Net Weight: 83gSpeaker: Magnetically Shielded 40mm 2W/4 ohmLoudspeaker output: 2WFrequency Response: 100Hz-20KHzSignal-to-Noise: >/ 80dBDistortion: <\ 1.0%Playback time: up to 12 hoursBattery Capacity: 400 mAhBattery Charging Voltage: 4.2V/+0.5VBattery Charge Time: 2.5 hours