Thank you for viewing! We offer a 15% discount when you request to purchase multiple items together!! You can save a little money on shipping costs(^^)/ For details, please see #BulkPurchaseRibbon Please take a look and make a request☆ Please "like" the items you want and then select the 15% off option when requesting a bulk purchase. T-571-M ☆ Lightweight and Comfortable Design Lightweight at 11g, reducing fatigue even during extended use. The ear-hook design makes them less likely to fall out, suitable for use in the office, during exercise, and in daily life. ☆ High-Quality Sound Supports AAC and SBC audio codecs. Rich sound quality with a 16.2mm dynamic driver and a bass enhancement algorithm. Directional sound transmission technology and Bluetooth 5.3 Reduces sound leakage and protects privacy. Bluetooth 5.3 technology provides a stable connection and low latency. ☆ Calls and Noise Cancellation Clear call experience with dual microphones. ENC noise reduction technology suppresses external noise. ☆ Long Battery Life and Charging Case Up to 10 hours of use with a single earphone, and up to 45 hours with the charging case. The case is made of high-quality PC/ABS material and is easy to carry. ☆ Touch Sensor and Waterproof Function Easy control of music and calls with the touch sensor. Waterproof design for use in various environments and scenarios.