Girls' Bow Ballet Flats – Cute Kids' Casual Party Shoes for Summer & Everyday Wear Size:27 1MHz ultrasonic vibration can penetrate

1MHz ultrasonic vibration can penetrate deep into the skin

Due to the screen and light effect difference

Scope of ApplicationDesigned for 36–41 inch acoustic guitars only

Function: infrared

Girls' Bow Ballet Flats – Cute Kids' Casual Party Shoes for Summer & Everyday Wear Size:27 1MHz ultrasonic vibration can penetrateProduct information: Applicable age: Toddlers (13 years), small children (46 years), and children (712 years)Applicable gender: GirlsFunction: Non slipSuitable season: SummerSole material: TPRColor: Red, Pink, YellowSize: Size 21 (Inner length 13. 3cm), Size 22 (Inner length 13. 8cm), Size 23 (Inner length 14. 3cm), Size 24 (Inner length 14. 8cm), Size 25 (Inner length 15. 3cm), Size 26 (Inner length 16. 0cm), Size 27 (Inner length 16. 5cm), Size 28