F9-5C Four-bar Breathing Light + Digital Display Noise Reduction Bluetooth Earphone Features: 1. Bluetooth 5.0 technology, no delay in games 2. CVC8.0 noise reduction, clear call; HiFi sound effect 3. Fingerprint touch, easy to operate; can wake up Siri 4. The earphones can be used alone or two together; when the earphones are removed from the charging box, they will be automatically turned on and paired 5. Use with the magnetic charging box for long-lasting battery life; the charging box has the function of a power bank; the charging box has a dust plug 6. With two breathing lights and an LED digital display, the middle digital display shows the power of the charging box, and the left and right breathing lights show the battery power of the left and right earphones respectively. 7. Comfortable to wear 8. No lanyard 9. Widely compatible with devices such as mobile phonestabletscomputers with Bluetooth Product parameters: 1. Bluetooth version: 5.0 2. Transmission range: 10 meters 3. Bluetooth solution: blue flood solution 4. Cumulative battery life: about 220 hours 5. Cumulative talk time: about 180 hours 6. The number of times the earphone is charged by the charging box: 40 times