MINI SINGLE EAR HEADPHONE WITH MICROPHONE&MUSIC WHITE#RB-T18

Bluetooth: V4.1 Frequency Response: 20Hz-20KHz Sensitivity(SPL): 85±3dB At 1Khz Operating distance: up to 10m (free space) Talk/Music time: 3 hrs Standby time: 80 hrs Charger time: 2 hrs