Impedance: 16? 15%
Sensitivity: 104.2 dB 3dB
Driver Size: ?10.65mm
Frequency Range: 20Hz-20000Hz
Q:Can we use these to answer phone call?
A:Yes, they have Built-in mic on the wire and it works great.
Q:Does it work well for Music?
A:Yes,with Larger Size Driver and Suitable Sound Chamber,it has good sound performance.
Q:What is the remote for?
A:The remote answers phone calls for the Phone. It can pause/play/skip for music. What's more, the volume also can be controled by a sliding volume adjuster.
Q:Do these have a warranty?
A:YES,We offer 12 Months Warranty.
When outdoor, we suggest to not make the sound too loud so you can hear if there were any cars passing.
Bluetooth Earbuds True Wireless Headphone Stereo Bass Earphones Sports Built-in-Mic up to 2.5 Hours Playtime (Bluetooth 4.2 IPX4 Case Cover) - B07BXLHHFN