KOGI-SHP2

Bluetooth Version: V5.0
Driver Unit:Φ40mm 
Impedance: 32Ω 
Sensitivity: 105 ±3dB 
Frequency Response20Hz-20kHz
Receiver Distance: Up to 20 meters 
Working Time: Up to 7 hours
ChargingUSB 2.0
Battery:Rechargeble Lithium-battery(3.7V/180mAh)

Features:Bluetooth, Calling, Sensitivity Microphone

Colour: Black, Brown, Blue, Gray, Green, Orange, Pink, White, Red, Purple Blue