Large wireless speaker featuring heathered fabric front panel. Power/Technology: Rechargeable Lithium-Ion battery; Capacity: 1800 mAh; Input: DC 5V/2.0A; Output: 4-5W; Working voltage:3.4-4.2V; Wireless V 4.2; Transmission range: 10m (approx. 30 ft). Includes microphone feature for answering and making phone calls. Silicone carry handle. Device must be charged prior to first use. Charge time varies by device. Minimum 4 hours. Playback time: Approx. 3 hours at top volume. USB charging cable, 3.5mm audio cable and Instructions included. FCC Approved. WARNING: Item Contains LITHIUM BATTERIES and is restricted to ground shipping only. CANNOT ship via air including to any U.S. address where part of the trip will be via air transport (i.e., Hawaii, Alaska, Puerto Rico). CAN ship to Canada via Ground transport only.