【All-Day Comfort, Zero Fatigue】T21 wireless earbuds features IPX7 waterproof and 4.2g ultra-light design. Three silicone tip sizes ensure a customized, pain-free fit for marathons, HIIT, or 8-hour workdays. Sweat-proof and secure—no slips, no irritation.
【40-Hour Marathon Playtime】T21 wireless bluetooth earbuds offer a long playtime, up to 40 hours total.One earbud can last 7-8 hours per charge.The case can provide extra 4 times the full charge for ear buds. A 10-minute quick charge fuels 2 hours of play. From sunrise commutes to late-night gaming marathons—keep the beats going.