Speaker TS20 Weight: about 710g audio formats: MP3 / WMA Bluetooth version: Bluetooth 3.0 Product size: 112 * 60 * 70mm Data Interface: USB2.0 high speed battery capacity: 4000MA Bluetooth music playback time: 4-8 hours TF card music playback time: 4-8 hours Maximum support TF card: 32GB Bluetooth communication range: Line without blocking state 10 meters (mobile phones and other devices of different types and environment will affect the distance) Standard accessories: Speaker , MICRO USB cable, audio cable, manual As a Luxurious Grade Bluetooth Speaker Supplier,we provide high grade component bluetooth speaker and Bluetooth Speaker.