Headphone type headset Speaker impedance 32 Link line length 1.2m Sound unit: 40mm Plug type 3.5mm The maximum power is 30MW The sensitivity of the earphone is 82dB±3 Frequency response range 20-20,000Hz With mic or not: yes
Size: 15 x 14 x 6cm Colourful plastic body USB Connector Adjustable head
Size: 9.1 x 2.5 x 2.5cm 2200mAh Power bank ABS Construction Solid colour body Includes charging cable
Size: 12 x 6.8 x .0.9cm 4000 mAh Power bank On/off button Battery indicator Curved design Dual output Solid colour Aluminium body