Color:white-POP. ?REAL STEREO SOUND QUALITY?-Upgraded Bluetooth 5.0 and lossless HD rendering technology that produce incredible sound quality with deep bass. High Quality Bluetooth Chip, Which Eliminate Noise and Echo. DSP-Equipped audio processor, Provide Bass Sound . You will be immersed in Music World. ?AUTO POWER ON & PAIRING?-Take out 2 headphones from the charging case and they will be connected automatically. IOS 11 or higher system supports pop-up pairing, and the window displays earphone power and charging case power. Our wireless earbuds are made to be paired within 3 seconds through our Instant Pairing Technology. ?ERGONOMIC DESIGN & LIGHTWEIGHT?-No wires tangling. Super Lightweight and ergonomic design with 65 degrees tilt to ensure a secure, comfortable fit for any ear. You won't be uncomfortable after a long-time wearing of these bluetooth earphones. ?24 HOURS EXTENDED PLAYTIME?-The Twins Wireless Earbuds Can Last for 5-6 hours Music Time On a Single Charge. The Charging box (650mAh) is a Power Bank, It Can Charge the Twins Earbuds for 4 times, So the Twins Earbuds Can Last Up To 20-24 hours. ?IPX5 WATERPROOF & QUALITY SERVICE?-High-level waterproof, dustproof and sweatproof. Ideal for sweating it out at the gym or running outside. We provide 1 years quality gurantee service for free replacement or refund within 60 days. Lifetime technical support and 12hours online response to your inquiry.