Vivo Y31d - 7200mAh BlueVolt Battery Smartphone Best Secret Service Attribute Specification Details Input Specifications

Attribute Specification Details Input Specifications 100 – 240V AC

and adjustable spatial Echo/Reverb layers—to achieve perfect stage vocals anywhere

GREENnet Power Optimization: Embedded smart power management system dynamically regulates voltage profiles to slash device power usage by up to 70%

Whether you need reliable cooling for your office desk

Vivo Y31d - 7200mAh BlueVolt Battery Smartphone Best Secret Service Attribute Specification Details Input SpecificationsConquer everyday battery anxiety and tackle extreme environmental conditions with the absolute battery king of 2026: the new vivo Y31d. Engineered with an unprecedented high density 7200mAh BlueVolt battery cell alongside a 6nm energy efficient hardware engine, this device delivers reliable multi day performance on a single charge. Wrapped in an elite, military grade shock absorption structure, it balances raw longevity with striking premium style.