Poly

Colour: Black Type of headphones: External supraaural Headphones: 32 Ohm Binaural Monaural Characteristics: Noise cancellation 32 Ohm Type: Earpiece Headphones with Microphone Wired Material: Aluminium Plastic Connections: USB Wired Power supply: Wired Approx. weight: 140 g Not included: Bluetooth Year: 2021 Battery type: Litio Ion Rechargeable lithium battery Recommended use: Oficina/Centro de llamadas

Type: Wired Headphones with Microphone Colour: Black Year: 2014 Type of headphones: External supraaural Power supply: Wired Recommended age: Adults Headphones: Monaural Recommended use: Oficina/Centro de llamadas Connections: Wired

Type: Headphones with Microphone Earpiece Headphones with Headband Wired Characteristics: Noise cancellation Type of headphones: External supraaural Recommended use: Oficina/Centro de llamadas

Colour: Black Type: Headband Headphones with Microphone Wired Type of headphones: External supraaural Year: 2014 Power supply: Wired Recommended age: Adults Headphones: Binaural Recommended use: Oficina/Centro de llamadas Connections: Wired

Type: Headphones with Microphone Earpiece Wireless Headphones with Headband Colour: Black Characteristics: Noise cancellation Built-in battery Type of headphones: External supraaural Battery capacity: 500 mAh Frequency: 20 - 20000 Hz Approx. autonomy: 13 hours Recommended use: Oficina/Centro de llamadas

Type: Headphones with Microphone Earpiece Wireless Headphones with Headband Colour: Black Characteristics: Built-in battery Connectivity: Bluetooth Type of headphones: External supraaural Battery capacity: 500 mAh Frequency: 20 - 20000 Hz Approx. autonomy: 13 hours Recommended use: Oficina/Centro de llamadas