• Includes the PL-4404 Wireless Cylinder Mini Speaker and the PL-4438 Emergency Mobile Charger - UL Certified. • Speaker features an Aluminum case cylinder with Steel Mesh cover and no-slip bottom. • Speaker connects to your mobile device using wireless technology or through the 3.5mm audio cable (not provided). • Push button to answer phone calls. Speak hands-free into built-in microphone. Also play MP3 files though a USB flash drive or TF card. • Rechargeable Lithium Polymer battery: 3.7V, Capacity: 350 mAh; Input: DC 5V; Output/Power: 3W; Aux in: 3.5mm audio jack; Rated Impedance: 4O; Speaker: 1.6 inches; Frequency response: 90-20KHz; SNR: = 85d; Sensitivity: 80db ± 2db; Distortion: = 0.3%; Transmission range: 10M (30 feet); Wireless 4.0. • Speaker is FCC Approved. • Power Bank emergency battery features Aluminum exterior, on/off button and features LED indicator light. • Rechargeable Lithium-Ion battery. Input: DC 5V/500mA; Output: 5V/1000mA; Capacity: 2200 mAh. A power bank typically retains 80-90% of its original capacity; expected lifespan of 400-500 charges and discharges. • Power bank includes standard USB connector cable to charge battery from your computer or any USB port with a power supply. Charge time differs by device. Must charge power bank prior to first use. • Power bank mobile charger is FCC Approved and UL Certified (UL File # MH60484). **This item can only ship to the contiguous United States and Canada via ground**