Fourth Generation Bluetooth Headset With Automatic Noise Reduction

Product information:
Size of charging chamber: 45x21 x 45 (mm)
Battery capacity: Headset 25mAh, charging chamber 220mah
Transmission frequency: 24GHz band (24000-2.48356hz)
Support protocol: HSP / HFP / A2DP (SBC, AAC / AVRCP)
Receiving standard distance: 15m
Charging time: 45 minutes for earphone and 90 minutes for charging chamber
Working / storage temperature: - 10 ﾰ c-50 ﾰ C
Bluetooth protocol: 5.0
Channel: Stereo
Usage: Earplug
Single or double ears: Bilateral stereo
Color: Classic black, Athens white, natural green, lovely pink, orange