[7th generation] 200 million negative ions + keratin hair care + three-stage – new style in July – [Three teeth] Wireless straight hair comb [capsule anti-scalding]

[6th generation] Tens of millions of negative ions + capsule anti-scalding + second gear – new model in July – [Three teeth] Wireless straight hair comb [capsule anti-scalding]

[5th ​​generation] No negative ions + one gear + low battery life – new July model – [Three teeth] Wireless straight hair comb [capsule anti-scalding]