2025 Bluetooth 5.4 Technology : The wireless earbuds use the bluetooth 5.4 chipset. There is a faster and more stable signal transmission and has successfully achieved low latency without interruption. With a range of up to 15 m, whether you are at home, in the office, or on the road, you don't have to worry about disconnection of the bluetooth earbuds. Automatic pairing & compatible with multiple devices. | More Outstanding ENC Noise Reduction : The wireless headphones adopts dual 14.2mm low-distortion composite dynamic drivers with high resolution decoder built-in and AAC&SBC audio coding technology. In addition, the ENC calling noise cancellation technology brings a clearer sound to your calls, giving you a whole better feeling, everything from the A90 noise cancelling earbuds. | LED Power Display : The LED display on the charging case shows you the charge level of the case as well as the wireless earphones, so you can precisely control the charge level of your headphones wireless for your convenience on the go. Simply tap on the earbuds wireless bluetooth to skip songs, play/pause music, answer/hang up phone calls, activate voice assistant, all without taking out your phone. | 36 Hours and Faster Charging: The bluetooth earphones offer up to 6-8 hours of usage on a single charge, with the charging case supporting up to 30 hours of usage, ensuring all-day usage. The wireless bluetooth headphones feature a Type-C charging port, providing a more stable and secure charging method, and significantly extending the battery life of the noise cancelling headphones. | Ergonomic IP7 Waterproof Design : With ultra-light Nano coating, the headphones with mic reach IP7 waterproof grade, dust and rain proof, the extreme lightness, the in-ear design in line with the shape of human ears, and the softer silicone ear cap, make you feel comfortable in any scene and can only hear your own music, all from this true wireless ear buds.