Panasonic ER-GB37. Minimum hair length: 0.5 mm, Maximum hair length: 1 cm, Step precise: 0.5 mm. Product colour: Black. Power source: Battery, Operating time: 40 min, Charging time: 8 h. Width: 53.4 mm, Depth: 45 mm, Height: 176 mm. Package width: 70 mm, Package depth: 180 mm, Package height: 245 mm