Prime Line Cubic Wireless Speaker

Aluminum; Portable cube-shaped wireless speaker with 2 operating modes: wireless and AUX/wired (refer to instructions) and works with most wireless-enabled devices including smartphones and tablets; Power/Technology: Rechargeable Lithium Ion Battery ? 37V, Capacity: 400 mAh; Input: DC 5V; Output Power: 3W; Aux in: 35mm audio jack; Frequency Response: 50-20KHz; Speaker Impedance: 4 Ohm (?); Wireless V21+EDR; Transmission range: 10M (32 feet); Features multiple functions buttons on base of device