v3.26.1
Document And Entity Information - shares
 9 Months Ended
Mar. 31, 2026
May 11, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Entity Registrant Name Foxx Development Holdings Inc.  
Entity Central Index Key 0002013807  
Entity File Number 001-42285  
Entity Tax Identification Number 99-5119494  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --06-30  
Entity Address, Address Line One 15375 Barranca Parkway C106  
Entity Address, City or Town Irvine  
Entity Address, Country CA  
Entity Address, Postal Zip Code 92618  
City Area Code +201  
Local Phone Number 962-5550  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   7,041,192
Common Stock, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol FOXX  
Security Exchange Name NASDAQ  
Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50    
Document Information [Line Items]    
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50  
Trading Symbol FOXXW  
Security Exchange Name NASDAQ