Description
Charging Type: Cordless (Rechargeable Lithium-Ion Battery)
Charging Time: 1.5 to 2 hours
Usage Time (Runtime): Up to 2.5 hours (depending on model – e.g., OTR-280)
Rated Power: 5 Watts
Input Voltage: 5V / 1A (USB compatible)
Battery Type: Lithium-ion