Awei B926BL neckband headings with high quality sound and Noise Cancelling technology for excellent sound insulation of external noises. With an ergonomic, lightweight design that is perfectly applied, for comfortable long -term use, ideal for your sports and daily external activities. Features: built -in microphone,
Bluetooth version: V5.2,
Waiting time: 200 hours,
Speech time: up to 6 hours,
Charging time: 1.5 hours,
Frequency response range: 20Hz ~ 20kHz, sensitivity: 90db + 3DB,
Resistance: 16 ± 15%,
Connection distance: 10m,
Frequency: 2.4GHz.