♥ SFREE Shipping ♥ M20 Original Business Sports Wireless Earphone Bluetooth V5.0 With Ultra-long Standby Working Time Wireless Earbud With HD Micphone Handsfree For Working Sports Driving

Product Features: 1 Original appearance design and very strong endurance. Ultra-long standby working time, HiFi quality sound, smart noise reduction, comfortable fit and multi-use for business and sports. 2 With large battery capacity so 365 days no need charging and the biggest feature is working time up to 42 hours. 3 With composite diaphragm to reproduce human voice and be used for driving, music enjoying and working. 4 With grade IPX7 waterproof function. 5 Apply to Android, ISO5.0 and above system, and all devices with Bluetooth function. 6 Double click power buttion can change the language. 7 Earphone is packed with colour box and bubble bag before shipment. Specifications: 1 Bluetooth version: V5.0. 2 Bluetooth protocol: A2DP AVRCP HFP HSP. 3 Battery capacity: 300mAh. 4 Transmission distance: 10 meters. 5 Call duration time: 42 hours. 6 Standby time: about 365 days. 7 Charging time: Less than 2H. 8 Total weight including package: 0.11kg. 9 Wear stable comfortable during running