Something like this? Thanks!
Looks like the kind of made-in-China stuff you’d be able to find in any everything store. Shopee would probably be considerably cheaper though.
Plenty only, 掛脖扇 - Google Search , Carrefour might have them instore DIKE DUF401 多功能頸掛式風扇 | 家樂福線上購物 (carrefour.com.tw)