Pro Ears Stealth 28 HTBT Electronic Ear Buds 28dB Black

Features: COMPRESSION: Multi-setting DLSC NRR: 28 BLUETOOTH: 5.0 10 m WEIGHT: 27g with tips installed WARRANTY: 1 year AMPLIFICATION: 5X ISOLATION: Noise isolating microphones FIT: Universal WORKING HOURS: 15 working hours CHARGE TIME: 2 hours BATTERY : Rechargeable USB-C Li