F9-5U Four-bar Breathing Light + Digital Display Noise Reduction Touch Bluetooth Earphone with Charging Box (Black) Function: single shoulder / crossbody

Function: single shoulder / crossbody / portable

Standby time: 20-25 days

5-2 cm differences due to manual measurement

low power consumption

F9-5U Four-bar Breathing Light + Digital Display Noise Reduction Touch Bluetooth Earphone with Charging Box (Black) Function: single shoulder / crossbodyFeatures: 1. Bluetooth 5. 0 technology, no delay in games 2. Intelligent noise reduction, clear calls; 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 charging box, long lasting battery life; the charging box also has the functions of a power bank and a