PRO SONIC Compact Sonic Toothbrush, Soft, Blue [Sonic/Ultrasonic] Battery: Uses 1 AAA battery (sold separately) Battery life: Approximately 70 days (using alkaline batteries, 2 times a day, 2 minutes each time) ■ Sonic vibration: 28,000 strokes/minute *When using a new battery ■ Waterproof: Water resistant for daily use ■ Brush: Ultra-fine bristle brush Body material: ABS resin Bristle material: Saturated polyester resin Bristle hardness: Soft Instant purchase ○ Reserved items ✕ ⚠ Please read the profile before purchasing. Please purchase only if you understand initial scratches, etc. [Packaging method] It will be protected with an OPP bag and bubble wrap and shipped in an envelope. Please contact us if you have any questions. Even if you have commented, we will give priority to those who purchase immediately, so we apologize for the inconvenience. ☆ Search ☆ Toothbrush, electric toothbrush, brush replacement, body, soft, blue, white, Pro Sonic Compact #kurosawaDailyLife