Philips OneBlade Pro QP6550/70 Hybrid styler, Battery, Chrome Philips OneBlade Pro QP6550/70 Hybrid styler. Minimum hair length: 0.0157" (0.4 mm), Maximum hair length: 0.394" (1 cm), Display type: LED. Product color: Chrome. Power source: Battery, Operating time: 120 min, Battery type: Built-in battery. Base station functions: Charging