Product: Calus Air Ap3 wireless earbuds.Features: They boast 360 super Deep Bass Sound Quality and HiFi Sound Quality.Battery Life: Offer over 4 hours of continuous playtime, with 30mAh earbuds and a 300mAh charging box.Connectivity: Utilize Bluetooth 5.3 and have a 10m effective Bluetooth distance.Additional Features: Include ENC noise reduction and are in-ear earbuds.