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The Engage 75 SE makes calls more efficient. It has two high-quality microphones that work together to provide better voice quality. The Engage 75 SE is ultra-light and has intelligently designed angled ear cushions that ensure an optimal fit and hig

Base station Base station colour: Black Battery Charging source: USB Standby time: 300 h Input voltage (earpieces): 5 V Battery recharge time: 2.5 h Fast charging: Yes Talk time (ANC off): 20 h Headphones Noise canceling: Yes Impedance: 20 ? Driver t

The Poly Savi 8240-M Office is a mono in-ear headset designed to be worn in one or both ears. The Savi 8240-M Office connects to mobile devices, PCs, and DECT phones via Bluetooth and a USB dongle. With a talk time of up to 7 hours and a standby time

Battery Talk time (ANC off): 20 h Battery recharge time: 2.5 h Input voltage (earpieces): 5 V Standby time: 300 h Charging source: USB Fast charging: Yes Headphones Driver type: Dynamic Acoustic system: Closed Headphone frequency: 20 - 20000 Hz Ear c

Headphones Magnet type: Neodymium Noise canceling: Yes Headphone frequency: 20 - 40000 Hz Impedance: 32 ? Logistics data Harmonized System (HS) code: 85183000 Microphone Microphone type: Boom Microphone frequency: 100 - 12000 Hz Detachable microphone

Battery Fast charging: Yes Rechargeable battery: Yes Battery operated: Yes Standby time: 7008 h Wireless charging: Yes Battery recharge time: 2 h Battery type: Built-in battery Battery technology: Lithium-Ion (Li-Ion) Charging source: USB Battery cha

Battery Battery operated: Yes Battery type: Built-in battery Headphones Driver unit: 5 cm Impedance: 32 ? Headphone frequency: 20 - 40000 Hz Headphone sensitivity: 109 dB Logistics data Harmonized System (HS) code: 85183000 Microphone Microphone freq

Battery Continuous audio playback time: 140 h Fast charging time: 15 min Charging source: USB Battery capacity: 1800 mAh Fast charging: Yes Battery type: Built-in battery Battery operated: Yes Headphones Driver unit: 5 cm Impedance: 32 ? Number of dr

Battery Battery recharge time: 2.7 h Battery technology: Lithium-Ion (Li-Ion) Rechargeable battery: Yes Battery operated: Yes Talk time: 24 h Battery type: Built-in battery Battery charge indicator: Yes Continuous audio playback time: 36 h Headphones

Base station Base station colour: Silver Base station colour: Black Base station USB connector: USB Type-C Battery Battery technology: Lithium-Ion (Li-Ion) Number of batteries supported: 2 Battery operated: Yes Headphones Ear coupling: Supraaural Hea