... 6. Built-in Li- Battery, Micro USB for charger ModelTALKERStylePortable WirelessTypeActiveAudio systemDouble channels, stereo structureSpeaker StructionMini ... .5mmBatteryBuilt-in Li- Battery, Micro USB for chargerColorSliverProduct’s size70mm*70mm*90mmWeight520gOther function1. Support ... Handsfree Bluetooth(only for mobile phone)2. For mobile phone with Bluetooth, iphone, ...