Music Angel Friendz Portable Speaker (Blue) Portable stereo speaker made of sturdy aluminum enclosure. The digital amplifier has 2 x 3W output. It has integrated rechargeable lithium battery of 3.7 V & 1000 mAh. Playtime is up to 120 hours, the sound quality is great & the battery life is extreme. Music Angel Friends can be connected to other Friends for increased volume. This device is compatible with iPhone, iPad, iPod, MP3-players, PC / MAC and all digital audio sources that has a 3.5 mm headphone output. When purchasing this device you will also get two cables, a "jewelry pouch" and user guide. The speaker can charge from PC / MAC and standard-USB charger. Charge time is 1-3 hours. Mini-jack (3.5) to Micro-USB/USB to Micro-USB78 cm/30"Multifunctional retractable cable charges your speaker, connects speakers to each other or connects your unit to any audio device. This cable retracts from both ends & saves you from tangled cables. Audio cable Additional cable for your uniting-jack to Micro-USB24 cm/9 inches Audio cable connects speakers to each other or connects your unit to any audio device in order to play music.