216875-01
POLY Sync 40. Device type: Universal, Product colour: Black, Cable length: 1.05 m. Frequency range: 75 - 20000 Hz. Microphone frequency: 100 - 6700 Hz. Connectivity technology: Wired & Wireless, Interface: USB/Bluetooth, Bluetooth profiles: A2DP,AVRCP,HFP,HSP. Power source type: Battery, Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 5000 mAh