KOGI-K7

Bluetooth Version: V4.2+EDR
Driver Unit:Φ40mm 
Impedance: 32Ω 
Sensitivity: 105 ±3dB 
Receiver Distance: Up to 10 meters 
Music Time:Up to 10 hours
Talk Time:Up to 5 hours
Charging Time:2 hours
Support: TF/Micro-SD card
Battery:Inbuilt Rechargeble Lithium-battery(3.7V/300mAh)
Features:Bluetooth, Calling,AUX, USB,Sensitivity Microphone,Volume Control
ChargingMicro USB

Colour: Blue