Product name: 5-speed portable electric dental flosser Material: ABS Color: Black Battery Capacity: 1400mAh Charging Time: 4 hours Usage Time: 75 cycles on a full charge (2 minutes per cycle) Working Duration per Mode: 2 minutes Charging Current: 1A Water Tank Capacity: 300ml Water Pressure Range: 30-100psi Pulse Frequency: 1400-1800 times/minute Waterproof Rating: IPX8 Dimensions/Weight: 85mm x 72mm x 218mm, 245g Package Size/Weight: 8.3cm x 8.3cm x 23.5cm, 350g Included: Flosser device x1, Nozzles x6, Charging cable x1, Manual x1 Features: 1. Five adjustable water pressure levels with frequency conversion cleaning mode. 2. DIY custom cleaning mode. 3. Fully waterproof design (IPX8). 4. 300ml large water tank. 5. High-frequency pulsing water flow for effective cleaning. 6. 360-degree rotating nozzle to reach all areas.