Brand KADUN Product Name Wired Earphone Cable length 1.2m Jack Type 3.5mm Driver unit 10mm impedance 16Ω±15% Sensitivity 90dB±3dB Frequency range 20-20000HZ wearing way In ear Track system Stereo control function volume control, cut the song,      pause, play, call and...

Brand KADUN Product Name Bluetooth Wireless Headphone Chipset JL(Jieli) Profile A2DP 1.2/AVRCP1.4/HSP1.2/HFP1.6/CVC6.0 Bluetooth Distance 10m Impedence 32Ω Frequency Range 20Hz~20k Hz Sensitivity 112dB±3dB Battery 250mAh Driver Size 40mm Charging Time 2.5 Hour Charging input(Amps) Micro Music time 7 Hour