‘-Professional high carbon steel blade?-High capacity 3.7 V 2000mAh Lithium battery?-Four gears for hair length adjustment : 0.5~2mm?-Space comb : 3mm,6mm,9mm,12mm?-LED digital display?-Charging time : 3-4 hours?-Usage time : 3-4 hours-Professional high carbon steel blade?-High capacity 3.7 V 2000mAh Lithium battery?-Four gears for hair length adjustment : 0.5~2mm?-Space comb : 3mm,6mm,9mm,12mm?-LED digital display?-Charging time : 3-4 hours?-Usage time : 3-4 hours-Professional high carbon steel blade?-High capacity 3.7 V 2000mAh Lithium battery?-Four gears for hair length adjustment : 0.5~2mm?-Space comb : 3mm,6mm,9mm,12mm?-LED digital display?-Charging time : 3-4 hours?-Usage time : 3-4 hours-Professional high carbon steel blade?-High capacity 3.7 V 2000mAh Lithium battery?-Four gears for hair length adjustment : 0.5~2mm?-Space comb : 3mm,6mm,9mm,12mm?-LED digital display?-Charging time : 3-4 hours?-Usage time : 3-4 hours-Professional high carbon steel blade?-High capacity 3.7 V 2000mAh Lithium battery?-Four gears for hair length adjustment : 0.5~2mm?-Space comb : 3mm,6mm,9mm,12mm?-LED digital display?-Charging time : 3-4 hours?-Usage time : 3-4 hours-Professional high carbon steel blade?-High capacity 3.7 V 2000mAh Lithium battery?-Four gears for hair length adjustment : 0.5~2mm?-Space comb : 3mm,6mm,9mm,12mm?-LED digital display?-Charging time : 3-4 hours?-Usage time : 3-4 hours-Professional high carbon steel blade?-High capacity 3.7 V 2000mAh Lithium battery?-Four gears for hair length adjustment : 0.5~2mm?-Space comb : 3mm,6mm,9mm,12mm?-LED digital display?-Charging time : 3-4 hours?-Usage time : 3-4 hours