RANVOO AirJet X5 (PH5) is an air-jet bubble electric toothbrush that reducesreliance on bristle friction. A DC variable-frequency air pump generates ahigh-speed airflow, and the Coanda-effect brush head converts moisture andtoothpaste in the mouth into micro-bubbles that clean between teeth withoutdirect contact. A 12° micro-sweeping motion helps reach areas bristles miss.Bristles measure 0.01 mm at the tip with 99.9% tapering, using DuPont TynexBrilliance Pro nylon filaments. Dedicated heads are available for gum care,whitening and balanced multi-effect cleaning.Four modes (Bubble / Gentle / Clean / Whitening) plus Travel Lock, a full-screendynamic display and a magnetic wall-mount charging stand.Specifications- 250.8 × 34.4 × 30.4 mm, 152 g- 1,600 mAh (5.92 Wh), 30 days (high) / 50 days (low)- 5V–0.8A input, 4W, IPX7- Colors: Grey / White / Purple / Blue- Distributed in Korea as a hygiene product (electric toothbrush), not a medical device.