USAMS Series wireless in-ear headphones ENC TWS Bluetooth 5.3 gradient blue XD19

Material: PC Bluetooth version: 5.3 Horn diameter: 13mm Bluetooth connection distance: about 12m Speaker frequency range: 20HZ-20KHZ Headphone battery capacity: 35mAh Continuous talk time: about 3h Continuous playback time: about 6h Charging time: about 1h Charging compartment battery capacity: 400mAh Charging time of the charging box: about 2h Charging compartment input: 5V Battery life: about 26 hours ENC dual-mic noise reduction, quiet and good sound Upgrade Bluetooth 5.3, sensitive fingerprint touch 13mm large moving coil, polymer composite diaphragm