Yealink BH71-WORKSTATION headphones/headset Wireless In-ear Office/Call center Bluetooth Charging stand Black

Bluetooth version: 5.2 | Microphone frequency: 100 - 8000 Hz | Package depth: 110 mm | Quick start guide: Yes | Battery type: Built-in battery | Weight: 18 g | Product colour: Black | Talk time: 10 h | Windows operating systems supported: Yes | Bluetooth profiles: A2DP | Wearing style: In-ear | Connectivity technology: Wireless | Bluetooth profiles: HFP | Package width: 288 mm | Bluetooth profiles: AVRCP | Mac operating systems supported: Yes | Battery capacity: 160 mAh | Charging time: 90 min | Impedance: 32 Ω | Product type: Headset | Microphone direction type: Omnidirectional | Mobile operating systems supported: iOS | Microphone sensitivity: -38 dB | Package height: 59 mm | Mobile operating systems supported: Android | Bluetooth: Yes | Wireless range: 30 m | Package type: Box | Headphone frequency: 100 - 20000 Hz | Charger: Yes | Recommended usage: Office/Call center | Driver unit: 1.3 cm | Battery technology: Lithium-Ion (Li-Ion) | Headphone sensitivity: 110 dB | Microphone type: Built-in | Charging stand: Yes | Maximum input power: 10 mW