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RI-CHOICE Premium Compatible Toner Cartridge CE-314A
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Wireless Headset
Remax RB-660HB Multifunctional Wireless Bluetooth Headset with 3.5mm Audio Cable
The 40mm big speaker delivers real sound and makes your ears impressedBluetooth 5.0 technology, rhythm wireless, listen to good sound anytime, anywhereHighly recognizable button control, one-handed operation, compact and light, easy to carryBuilt-in lithium batteryWith a 3.5mm audio cable, it can be used as a wired headset (when the 3.5mm audio cable is inserted, the Bluetooth is automatically turned off))
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headset-wired-headset
Lenovo E06 Monuaral Voice Call Center Headset USB
Speaker size: $40*7.8H mmImpedance: 320‡15%Output sound pressure: 100÷3dBFrequency Response Range: 20Hz~20K HzRated Input Power: 20mWMaximum Input Power: 30mWLeft/Right Sensitivity Difference: 3dbMicrophone specifications: 6050Mark wind sensitivity: -42 ‡ 3dB (0dB = 1V / Pa, 1KHz)Microphone pointing: single pointingSize: 190*170*80mmExecution standard:GB 4943.1-2022, GB/T 9254-
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