Original NIA Wireless Stereo Headphones fone de ouvido bluetooth earphone with mic support TF card fm radio earphone
+ Features: Bluetooth, Super Mini
+ Sound Mode: Stereo
+ Speaker: Customizable 40mm Nd Driver Unit
+ Impedance: 32 Ohm
+ Sensitivity: 108 +/- 3dB
+ Frequency Response: 20-20000Hz
+ Working Time: 1-2 hours
+ Charging time: approx. 2 hours
Bluetooth
+ Version: 4.0
+ Transmission Frequency: 2402MHz to 2480MHz
+ Communication: 10m (Max)
+ Standby Time: Approx. 48 hours