2.Impedance: 32 OHM
3.Bluetooth Version: Bluetooth V4.1+EDR
5.Power Grade：Class II
7.Bluetooth Distance: 15 meters accessible
8.Frequency Response: 20-20000Hz
9.Operating Voltage Range:3.0V-4.2V
11.A2DP/AVRCP High Quality Stereo Audio Transmission and Remote Control Protocol
12.Intense Noisy Cancellation Circuit
- Multifunction: Support music and calling. Broadcast the caller number; Intelligent English sound of power on, power off , devices matching, and low power.
- IOS Power Display:When the earphone is connected to devices, there will be power display. Easily to know the status of the power.
- Two Devices Connected: The earphones can be connected to two devices simultaneously.
- Auto-connected Function: When the phone is power off, it will connect to the cellphone automatically. Fast and conveniently.
- Intelligent Compatibility: Support all the devices with Bluetooth function like smart phones, tablets, laptop. In compatible with all kinds of APP, player, television, chatting and so on.