Babyliss Pro FXONE LO-PRO Sand Cordless Clipper + Trimmer (FX829SDLT + FX729SDLT)(Combo) This product does not include a battery, which is needed in order to function. The clipper is used with the universal FXONE battery (FXBB24). Features & Benefits: Compatible with FXONE Lithium Battery (FXBB24) — SOLD SEPARATELY Up to 2.5 Hours of Runtime Black Titanium Metal Injection Molded (MIM) Fade Blade (FX8022B) Built-in Oil Reservoir for Constant Lubrication Lower Blade Temperature Zero-Gap Adjustable 5-Position Locking Stretch Taper Lever N1 Brushless Motor Dual Ball Bearings for More Efficiency  6,800 RPM / 13,600 SPM Long Life Ultra-Low-Profile Metal Shield Cover  Ergonomic Grip BaBylissPRO FXONE Low-Profile Sand Interchangeable Battery Trimmer - TOOL ONLY (FX729SDLT) This product does not include a battery, which is needed in order to function. The trimmer is used with the universal FXONE battery (FXBB24). Features & Benefits: Compatible with FXONE Battery (FXBB24) - Sold Separately Up to 3 Hours of Runtime Black Graphite Deep-Tooth T-Blade (FX707B2) Zero-Gap Adjustable High Durability Lower Blade Temperature N1 Brushless Motor Dual Ball Bearings for More Efficiency 6,800 RPM / 13,600 SPM Long Life Ultra-Low-Profile Metal Shield Cover Ergonomic Grip