【New & Unopened】EarFun Air Pro 4i Thank you for viewing. 【Product Condition】 Brand new and unopened. The outer box is also in beautiful condition, so you can buy with confidence. Purchased new in December 2025. 【Product Features】 High-quality wireless earphones with adaptive hybrid ANC and up to 40 hours of battery life. - Brand: EarFun - Model Name: EarFun Air Pro 4i - Battery Life: Up to 40 hours (with charging case) - Water Resistance: IP55 - Bluetooth Version: 5.4 - ANC Function: Yes - High-Resolution Audio Support: Yes - Fast Pair Function: Yes - Driver Size: 11mm Titanium Composite Dynamic Driver Instant purchase without comments is OK.