Guess GUBH604GEMK Bluetooth Headphones

Bluetooth Version: 5.3
Bluetooth Distance: Up to 10m
Headphone Battery: 300 mAh
Headphone Charging Time: 2 hours
Case Charging Port: Micro USB
Working Time: Up to 32 hours
IP Protection Level: IPX4
Membrane Size: 40mm
Sensitivity: 112 ± 3 dB
Impedance: 32ohm ± 15%
Color: Black