AGPtek Original Style Outdoor Handsfree Bluetooth 4.0 Wireless Bluetooth Speaker Changeful Flashing Speaker, Powerful Stereo Sound with Built-in Microphone,Rechargeable Battery (1) New Bluetooth v4.0 Technology allows you to Connect wirelessly up to 35 feet away. Easy to pair - No code/pin needed. (2) Premium Sound with Bass Enhance Technology with self boosting amplier IC. Powerful 2*3W speakers and Enhanced Bass Resonator deliver crisp clean sound with deep bass. (3) Built-in Rechargeable Battery for up to 4-5 hours of playtime. Built-in microphone for hands-free speaker phone calling. Built-in fine tunable FM Radio with multi-LED light show. Support Micro SD Card and TF card insert and play. (4) AGPtek STYLE speaker will change the way you enjoy the soundtrack of your life. Unrivaled sound with two high-performance drivers and a built-in bass port for clear, room-filling sound. The speaker carries with it a reputation for quality sound with lifelike clarity and detail. (5) Built-in audio and visual experience with dancing LED lights that pulse to your music wherever you want it to be. Not only is it great to be free to take your music with you wherever you want but to provide it wirelessly in a portable design that also livens up any get-together with a Multi-LED light show.