Etekcity RoverBeats T3 Portable Wireless Bluetooth Speaker, CSR 4.0, Built-in Mic, Enhanced Bass (Certified Refurbished) This Certified Refurbished product is tested & certified by Etekcity to look and work like-new. The product includes all original accessories, and is backed by a 90-day warranty A CSR 4.0 Bluetooth chipset and the enhanced bass resonator offer class-leading performance for crystal clear; Incredible sound quality, with amazing sound for music, movies, games & gatherings Hands-free answering call supported by a built-in Mic; Outstanding connection range of up to 33 feet; Great for any occasion Easy Bluetooth connection works with all Bluetooth-enabled devices: smart phones, pads, laptops and desktops, MP3 & DVD players, etc.; 3.5mm audio jack for non-Bluetooth devices Attractive appearance with anti-skid mat on bottom of the speaker to add stability; Compact size to carry around on a daily basis; Multi-hole silicone protective layer to avoid slipping and spread the sound barrier-free; An additional carrying bag to let the music always around you