NVAHVA Mini Bluetooth earphones J18, wireless in-ear design with AAC codec support, built-in microphone and volume control. Covers a 20–20,000 Hz response range with 108 ±3 dB sensitivity and 16 Ω impedance; charging is by cable and the package includes a charging cable and a set of replacement pads. Certified to FCC, PSE and RoHS standards. Brand: NVAHVA.