Type: A/B/C/D
Model: X12pro Camouflage -QCC3020
bluetooth version: 5.0
Speaker unit: 14.2mm/0.56"
Headphone battery capacity: 3.7V/60mAh
Charging box battery capacity: 750mA
Headphone charging time: 40-60 minutes
Charging box charging time: 40-60 minutes
Headset charging time: 4 times
Using time (call/play): 4 timesx8 hours=32 hours
Audio format: aptx/AAC/SBC
Wireless frequency: 2402-2482MHz
Transmission distance: 10m/32.81ft
Support Protocol: HSP/HFP/A2DP/AVRCP
Sensitivity: 120+5db
Frequency response range: 20-20000Hz
Impedance: 32Ω
Product size: 60*40*20mm/2.37*1.58*0.79"