Edifier USA M260 Extreme Connect Portable Bluetooth Speaker - Red Built-In microphone with Bluetooth phone answering capabilities allowing hands-free calls, conference calls and video chats Bluetooth pairing capability with A2DP and AVRCA profile support within a distance of 30ft (10m) Micro SD card, USB audio streaming (MP3 and WMA files, 32GB max) and 3.5 Aux input make for Extreme connection versatility 2 active neodymium drivers and 1 passive radiator for enhanced sound Built-In1400mAh rechargeable lithium-ion battery with up to 12 hours of play. Soft Travel Case, USB and Aux cords included