คุณสมบัติBrand POLYModel Voyager 5200 (Black) Speaker Diameter • 13.6mm Frequency range • 100Hz to 20kHz Sensitivity • 90 dB Impedance N/A Microphone • Omnidirectional; Digital MEMS Frequency range Mic. • 100 Hz to 8 kHZ Sensitivity Mic. • -38 dBV/Pa Impedance Mic. N/A Connector • Bluetooth® USB Type-A Cable length • Cable length (imperial): 3.81 ft (inline module to headset); 3.08 ft (USB to inline module); 7.12 ft (total USB to headset)• Cable length (metric): 116 cm (inline module to headset); 94 cm (USB to inline module); 217 cm (total USB to headset) Bluetooth Version • V5.0 ระยะทางในการเชื่อมต่อ N/A Control • Button user controls : Redial; Mute; Volume +/-; Call answer/ignore/end; Play/pause/track forward/back Battery • Battery life: Up to 7 hours (talk time); Up to 9 days (standby time)• Battery description: Rechargeable Li-ion polymer• Battery capacity: 122 mAh• Impedance: 32 ohm Compatibility • Windows , macOS See More