Impedance: 32 who.
Sound 3D Stereo
Bluetooth version: 5.0 + EDR
Sensitivity: 108 dB
Frequency response: 20-20000Hz
It supports: HSP/HFP/A2DP/AVRCP
Sensitivity of the microphones: 42Db
Input: DC5V
Wireless range: 10 meters.
Play time: 2-3 hours.
Charging time: 60 min approx.
Standby time: 10 hours.
Compatible with Android and iOS.
Dock Battery: 300 mA
Battery Headset: 35 mA
Eleven linked to your device will automatically connect with just turn them on.