F9-5C Three-screen Digital Display Noise Reduction Bluetooth Earphone Features: 1. Bluetooth 5.0 technology, no game delay 2. CVC8.0 noise reduction, clear calls; HiFi sound 3. Fingerprint touch, simple operation; can wake up Siri 4. The earphones can be used singly, or two together; the earphones will be automatically turned on and paired when they are taken out of the charging box 5. Use with 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 three LED digital display screens, the middle digital display screen displays the battery level of the charging box, and the left and right digital displays display the battery level of the left and right earphones respectively. 7. Comfortable to wear 8. No hand strap 9. Widely compatible with mobile phonestabletscomputers with Bluetooth Product parameters: 1. Bluetooth version: 5.0 2. Transmission range: 10 meters 3. Bluetooth solution: blue flood solution 4. Accumulated battery life: about 220 hours 5. Cumulative talk time: about 180 hours 6. The number of times the headset is charged by the charging box: 40 times