Product : Sunglasses with Bluetooth (SM05-3).
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Bluetooth testing specifications : Class:1.2 Increased talk time of up to 5 hours and standby time of up to 200 hours Voice output frequency:2.4GHz 2.4835GHz THD:0.05% Recharging time:2 hours Normal Connection Current:14 mA Speaking Current :40mA Power OFF current :40 uA Transmission Range:6?10 M Range of Operating Voltage :3.3V?4.2V V
