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
13.Switch Between Chinese and English(when the phone is not connected to the Bluetooth, press the switch twice to hear the tone switch successfully)
14.Charge for approximately for an hour( Power Indication:red light, full charge; blue light, the red light disappear)
15.Product Size: Length 25mm*Width15mm*Height35mm
16.Product Weight: 6 g
17.Call Duration: About 2-3 Hours
18.Music Duration: About 2-3 Hours
19.Standby Time：About 96 Hours
20.Charging Time: 60 Minutes
21.Battery Capacity: 55MAH
22.Power:DC 5V(Round Hole Interface), USB Port,Cellphone Charger, Car Charger.
23.The Weight of Whole Set: 60g
24.Package Dimension: 9.583.5*13cm
25.Including: Earphones+USB Cable+Manual+Package Box
- 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.