Features: Experience comfortable side Sleep with invisible Bluetooth-compatible 5.3 earbuds featuring driver for studio grade auditory and 28 hour playing in small charging case. Thin ergonomic design with soft ABS housing and auto charging case ensures comfortable not with pressure on ear during sleep while maintaining stable wireless connection. Perfect for side sleepers and active users with small ear canals needing discreets, long time wearable earbuds for music, calls, and sleep relaxation. Perfect for various scenario including workouts, commutes, and relaxation, these earbuds provide seamlessly connection and superior sound quality wherever. With intuitived touch controls and USB C charging, managing your auditory experience making these earbuds a must accessory for modern lifestyles. Specifications: Model: MD528 Wireless Headsets Size：about 6x6x4cm/2.36x2.36x1.57in Component： ABS Support：Bluetooth-compatible-compatible 5.3 technology Thickness：11.6mm Weight ：about 5.20g Color： Optional For 3-4hours Continous Calls Charging: TypeC 3.7V Charging Box 250mAh Package Includes: 1Set MD528 Wireless Headsets note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.