Op1 High Beauty Metal/Plastic Active Noise Reduction 1: 1 Label Max Wireless Earphones with Digital Knob Control Serial Number for Easy and Convenient Operation

Op1 High Beauty Metal/Plastic Active Noise Reduction 1: 1 Label Max Wireless Earphones with Digital Knob Control Serial Number for Easy and Convenient Operation. Bluetooth 5.1 Connectivity: Equipped with V5.1+EDR for stable and fast wireless transmission. Active Noise Cancellation: Features ANC technology to reduce background noise for immersive listening. Battery Display Function: Charging case displays remaining battery level for both earbuds and case. Headphone Search Feature: Supports positioning and renaming to help locate misplaced earbuds. Wireless Charging Support: Charging box supports wireless charging for added convenience. IPX4 Waterproof Rating: Resistant to sweat and light rain, suitable for sports and daily use. Flexible Customization: Offers full, minor, and sample-based customization with OEM service. Extended Warranty Coverage: Provides 1 to 5 years warranty with rigorous pre-shipment quality checks.