This Wireless Bluetooth Earphone Hands-free is equipped with a microphone, Bluetooth type, waterproofing, volume control, dynamic vocalism, 1% total harmonic distortion, no memory card support, no APP support, ear hook style, 100dB sensitivity, and 32Ω resistance. It also features a 0m line length, semi-open earcups, an 8mm driver diameter, and a control button. It's wireless, with a frequency response range of 20 - 20000Hz and a Bluetooth version of 5.0, and features no active noise-cancellation.
