This product is either discontinued or we cannot get that from suppliers.
Jabra 935-15-503-208 Pro 935 Bt Ms Apac Dual Connectivity, Connectivity: Softphone (computer), Mobile, Tablet, Wireless: BT & NFC, Range: Up to 100 m, Mono (Single Ear), Speaker Sensitivity: 91 ± 3dB (60mV at 1000Hz), Impedance: 32 ± 4.8 Ohms (at 1000Hz), Speakers Frequency Range: 150Hz to 7 kHz (at output S.P.L -10dB), Uni-directional microphone, Microphone sensitivity: -30 ± 2dB (f=1kHz, Pin=1Pa, 0dB=1V/Pa), Microphone frequency range: 100Hz to 10kHz, Talk-time: Up to 12 hours (depending on usage), Standby Time: Up to 7 days, Charging Time: 180 min (Fast Charge 50% in 50 min), Power Consumption: 7.5V/650mA.