F9 Headphones Fone De Ouvido Audifonos Auriculares Wireless Earphone Waterproof Bt 5.0 F9-5 F9-5c Tws Earbuds

F9 Headphones Fone De Ouvido Audifonos Auriculares Wireless Earphone Waterproof Bt 5.0 F9-5 F9-5c Tws Earbuds. Bluetooth 5.3 Technology: Advanced BT 5.3 chip ensures stable connection and sensitive touch control. IPX6 Waterproof Rating: Waterproof standard IPX-6 protects against sweat and rain during use. 31 Hours Total Battery Life: Provides 7 hours playing time per charge and up to 31 hours with charging case. Active Noise Cancellation: ANC feature effectively reduces background noise for immersive audio. Fast Pairing Connection: Auto connect function enables fast pairing within 12 meters range. Customizable Logo and Packaging: OEM service available for customizing logo and packaging design. Low Wireless Delay: Wireless delay time is only 30ms for synchronized audio experience.