Deepbass R7 Blue Wireless/Hard Bass/TF Card/AUX Mode Headphones
Version: V5.0
Protocola support: HSP/HFP/A2DP/AVRCP
Micro SD card slot
Communication Distance: 10meters
Battery Capacity: 400mAh
Standby time: 35hours
Talk time: 6-7hours
Charging time: Approximately 2 hours
Speaker Unit Diameter: 40MM
Impedance: 32 ohms
Sensitivity 85db/V +-3sB
Frequency Response Range: 20Hz
