mini ultra-thin mechanical waterproof wireless bluetooth gaming keyboard portable for pc tablet external keyboard universal gift

model :hb028 category: bluetooth keyboard applicable models: tablet pc interface : bluetooth line length: 0 (m) product weight: 0.2 (kg) whether to support ergonomics: support packing list: opp bag color: black, white number of keys: 59 button technology: x architecture material: plastic + aluminum alloy size: 20*15*5cm applicable people: general charging time: <2 hours effective distance: 10 meters