World Smallest Portable Mini Speaker for Cellphone or Tablet, Crystal Clear, Plug and Play (TR-S10) Top Race World Smallest Portable Phone and Tablet Speaker (Black) Simple plug and play into audio jack No Bluetooth pairing, No Wifi, No waiting Can be used for iPad, iPod, tablets, laptops, PCs, MP3, MP4, PSPs, smart Phones, Crystal clear sound, Enjoy your music anywhere you go Size: 1.67 by 1.24 by 2.28 in, Weighs: 1.4 Oz, Charges with Micro Usb (Included) Charging time: 45 Min. for a long 8 Hours of Music.