YWZ BE20 Bluetooth Headphone Super Bass Expression Headphone – Black

Wireless, Micro SD Card Play, FM Radio, Audio Input
+Sound Mode:Stereo
+Speaker:Customized 40mm Nd Driver Unit
+Impedance:32 Ohm
+Sensitivity:105+/-3db
+Frequency Response:20-20000Hz
+Input Power:3.7 VDC, 280mAh, Built- in rechargeable Liion Battery 5 VDC 500mA, Micro USB charging
+Operating Time:Approx. 30Hours
+Charging Time:Approx. 2Hours                                                                                                                                                                                          +Version:4.1+EDR +Transmission Frequency:2402 Mhz to 2480 Mhz +Communication Rang:20M(Max) +Standby Time:Approx. 48 Hours +Profiles:A2DP, AVRCP, HSP, HFP Micro SD Play +Audio Formats:MP3/WAV/WMA/FLAC/APE +Micro SD Card Capacity:32GB (Max) +Micro SD Card Format: FAT32 +Micro SD Card Reader:Yes FM Radio +Radio Frequency Range:88-108Mhz +Audio Input:3.5mm(Please DO NOT turn on the device when aux cable connected) +Audio Share:Yes, through 3.5mm aux cable #Earphone #YWZ #Bluetooth #Headset #soundgood #memorycard #AUXcable #BluetoothHeadset.