Power Pro (UPS) is specially designed for use with Device in the areas that have unstable / unreliable utility power supply. Power Pro can continuously supply stable / reliable DC power to Device in an unstable /
Wide Compatibility: 【NOT for Cell Phones and Computers】 This landline telephone headset is ONLY compatible with Some Specific Phone Models from COMPATIBILITY ✅Yealink Desk Phones Series - T2x, T3x, T4xP/G/S/U, T5x,