Poly Sync 20+ Speakerphone USB-C/A AdapterQuality sound made portableSound like the professional you are with Poly Sync 20 USB/Bluetooth smart speakerphone — for conference calls and music anywhere you work. Take it wherever you go — it’s got up to 20 hours of talk time. Features Device type PC Auto No Product colour Black Noise reduction Yes Cable length 0.715 m Sound pressure level (max) 86 dB Control type Touch Windows operating systems supported Windows 10, Windows 11 Mac operating systems supported MacOS Microphone Number of microphones 3 Ports & interfaces Connectivity technology Wireless USB connector type Micro-USB A, USB Type-C Bluetooth version 5.1 Bluetooth profiles A2DP, AVRCP, HFP, HSP Bluetooth Yes Bluetooth Low Energy (BLE) Yes Power Power source type Battery Battery technology Lithium-Ion (Li-Ion) Battery recharge time 4 h Talk time 20 h Certificates Compliance certificates CCC, CB, EAC, RoHS, BIS, Federal Communications Commission (FCC), CE, BSMI Weight & dimensions Width 34 mm Depth 95 mm Height 182 mm Weight 360 g Packaging data Package width 209 mm Package depth 60 mm Package height 211 mm Package weight 540 g Packaging content Bluetooth dongle included Yes Technical details General Product Safety Regulation (GPSR) URL https://kaas.hpcloud.hp.com/pdf-public/pdf_11069394_en-US-1.pdf Logistics data Master (outer) cases per pallet 80 pc(s) Master (outer) cases per pallet layer 10 pc(s) Pallet gross weight 456.5 kg Country of origin China Pallet weight (imperial) 456.5 kg (1006.5 lbs) UNSPSC-code 43191515