If you're passionate about IT and electronics, like being up to date on technology and don't miss even the slightest details, buy  Headphones with Microphone Poly Voyager 5200  at an unbeatable price.

Type: 
Headphones with Microphone
Earpiece
Wireless
Hooked
Colour: Black
Width: 91 mm
Characteristics: 
Built-in battery
Omnidirectional microphone
Wireless
32 Ohm
Connections: 
USB
USB-A
Connectivity: 
Bluetooth
Bluetooth 5.0
Wireless
Battery capacity: 122 mAh
Range: 30 m
Recommended use: Oficina/Centro de llamadas
Type of headphones: In-ear headphones
Approx. autonomy: 7 hours
Sound intensity: 90 dB
Approx. charging time: 1,5 hours
Control: Buttons
Battery: Yes
Material: Leather
Frequency: 100 - 20000 Hz
Headphones: Monaural
Battery type: 
Litio Ion
Rechargeable lithium battery