Sono invisível fones de ouvido minúsculos mini fones escondidos com cancelamento ruído tws sem fio esportes estéreo bluetooth 5.3

Adopt an ergonomic lightweight design, fit the ears comfortably, provide you with a personalized fit and comfort, and can be worn all day without pain. They fit perfectly and stay securely in your ears even when you're working out or running. Product Name: Bluetooth Headphones Headphone Model: X57 Operation Mode: Touch Control Headphone Style: In-ear With Microphone: Yes Bluetooth Version: 5. Transmission Distance: 10 meters Play Time: About 3-4 hours Working Time: About 72 hours (with charging case) Standby Time: About 240 hours (with charging case) Charging Time: About 30 minutes Headphone Battery Capacity: 35mAh Charging Case Battery Capacity: 350mAh Charging Port: Type C Main Features: Mini Invisible, LED Display, HD Voice, Large Capacity Battery, IPX5 Waterproof and Dustproof. Product Material: ABS+PC Product Color: Black/White/Skin Color/Blue Packing List: 1*Bluetooth Headphones 1*User Manual 1*Type-C Cable Tips: 1. Please allow 1cm error due to manual measurement! 2. Please allow for slight color differences.due to different display resolutions!