Realme R-07 Wireless Headset

Realme R-07 Wireless Headset Type: Wireles headphone (with cord) Bettery: 400mADriver Unit: 40 mm Function: volumn control,pause/ Play device, MIC unction Stead by time: 100 hours Play time: 48 hours Frequency Response: 20 Hz-20KHz Cord length: 1.2m?10% Connector: 3.5 mm stereo plug Sensitivity: 114dab/mW Audio source: communication equipment