Brand: Xiaomi Model: Boost 2 Usage Time: Up to 90 minutes Battery Capacity: 600mAh Adjustable Comb Range: 0.7–21 mm Motor Speed: 5500 RPM 7 days replacement warranty for manufacturing defects

Brand: Xiaomi Model: MJTD05YL Rated Power: 3.5W Rated Input: 5V ⎓ 0.7A Battery Capacity: 2000mAh (lithium-ion polymer) Charging Port: USB Type-C Lighting Modes: 4 modes 7 Days Warranty (If there are any Manufacturing Defects)