
Factory Directly Sell High Quality Earphone Headphone PRO 2 PRO 3 with Serial Number. High Capacity Battery: 1200mAh charging case and 50mAh earbuds provide up to 140h standby time. Advanced Bluetooth 5.3: Features Bluetooth 5.3 with 10m transmission range and touch control. Premium Quality Grades: Available in Grade AA, AAA, and AAA+ with original logo and packaging. Fast Shipping Options: Express shipping via UPS/FedEx takes 5-9 days; DDP takes 12-18 days. Low MOQ & Samples: MOQ is 1 piece; sample fee of $38 is refundable with bulk orders. 12-Month Warranty: 12 months warranty with replacement or refund for quality issues. Customization Services: OEM/ODM services available with customized logo and packaging options. Multi-Function Features: Includes ANC, transparent mode, spatial audio, and heart rate monitoring.