Feature: All-in-one Design: Drip kettle + beans storage + automatic coffee grinder with adjustable burr + stainless filter + thermal tumbler USB Charge+heat preservation Portable: travels with you anywhere and serves you fresh coffee anytime. Easy to clean: every part detachable and washable Adjustable grinder: clockwise for finer grounds and counterclockwise for coarser grounds. You can use the drip kettle or hand crank to grind coffee beans. Materials: Cap: PP & SIL Mug: 18/8 Stainless Steel & ABS& SIL Filter: 18/8 Stainless Steel & PC Mil: ceramics Capacity: Drip Kettle with Spout Capacity: 130ml Mug Capacity: 150ml Size: 73.5*73.5*23.9 mm Net Weight: 727 g/unit