THECOO Hi-Fi Stereo Bluetooth Speaker,Bluetooth 4.0 Portable Wireless Speaker,10W Output Power with Enhanced Bass,Built-in Mic for Handsfree Call,Support TF Card & 3.5mm AUX Play (Black) Wide Compatibility: Wirelessly connect via Bluetooth at a distance of up to 32 feet/10 meters. Work with any bluetooth-enabled devices, including iPhone, Android smartphones, tablets, iPad, laptop or MP3 players, etc. Equipped with dual Powerful 3 watt speakers and dual exposed passive radiators for bass extension, providing all-around stereo and hi-fi sound, far superior to normal speakers in the market. As an alternative, the 3.5mm Aux can be used as another option for sound output. Support Micro SD card up to 32GB(not included)in MP3/WMA/APE/FLAC format. Stylish compact design with aircraft grade luxurious magnalium alloy body enhances sound propagation and exquisiteness; Wallet-sized & light-weighted mini speaker fits easily into any pocket or bag wherever you go. Built-in high sensitivity microphone with HD-Voice and Noise cancellation DSP technology delivers Crystal clear Hands-free calls.