Wireless bluetooth 40 stereo headphones built in mic handsfree for calls and music headset
Modell1 materialaluminium pu leather polycarbonate silicone typeheadband general usemobile phone cellphone functionbluetooth hi fi noise cancelling fm radio volume control communicationwireless rf memory capacityinner memory capacity speaker sensitivitydb1105db speaker frequency response20 20000hz driver typeelectromagnetic sound channel21 bluetooth versionv30 operating rangem10