S10 Portable Stereo Digital Bluetooth Speakers Subwoofer 2.1 Mini Wireless Speaker

Type: Active

battery: 3.7v 500mah

color:red blue whitegreen purpleorange

Function:Wireless Mic/Hand free/TF Card function

Channels:3 (2.1)

Working voltage/current:3.7v-4.2v /1ua

Charging Time:1-2 hours

F Range:10-30meters

Product name:S10 Bluetooth speaker

http://www.szsmail.com/products/Colorful-S10-wireless-bluetooth-speaker-with-portable-mini-wireless-bluetooth-speaker-for-promotion.html