The Logitech UE BOOM Wireless Speaker in black delivers 360 sound through Dual Performance Drivers and Dual Passive Radiators. Stream audio Wirelessly from Bluetooth enabled devices up to 50 Feet away (15 Meters), or connect devices to the 3.5mm audio input. NFC technology makes pairing easy. You can also use the UE BOOM as a Speakerphone. The Speaker is Built to Hit the Road with you it has an Ingress Protection Rating of IPX4, making it Water and Stain Resistant. Its Cylindrical Shape Allows it to go just about anywhere. Adding to its portability is an integrated rechargeable battery that lasts for up to 15 hours on a charge. Features: Refurbished (see below for description) Color: Indigo/Black Bluetooth wireless technology 360-degree sound Can pair up to eight Bluetooth devices Connect up to two source devices at the same time Stream music up to 50 feet away (15 meters) Speakerphone function for hands-free phone calls NFC (passive) enabled Colorful acoustic skin with plasma coating makes UE BOOM water and stain resistant IPX4 RATED: Ingress Protection Rating Liquid Level 4 Built-in Rechargeable Lithium-ion battery Up to 15 hours of battery life 3.4 hours charge time Audio: Maximum Sound Level: 88dBA Frequency Range: 90Hz - 20kHz Drivers: Two 1.5", 4 Ohm Drivers; Two 2" Passive Radiators LEDs: Power indicator Bluetooth Pairing indicator Ports: 3.5mm Aux in Micro USB Power Adapter Specifications: Input: 100-240V, 50/60Hz Output: 5.1V, 2.0A Unit Dimensions: 7.1 x 2.6 x 2.6-inches (H x W x D) Weight: 1.18 lbs. / 538g Package Includes: Ultimate Ears 980-000979 UE BOOM Buetooth Wireless Speaker USB to AC power adapter Micro USB cable Professionally Refurbished to manufacturer specifications with hassle free 90 day warranty. Item is in Fair condition and has been rigorously tested for full functionality. It will show signs of use that include but not limited to scratches, scuffs, denting or dings. Comes in non-retail packaging.