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Speech etc
Adopting two pipes in one high voltage sheath heater to triple its output volume compared to M-7
Microphone Element Electret condenser microphone unit: Unidirectional Modulation Frequency modulation Channel Selectable 64 channels (the number of channels may differ from country to country) RF Carrier Power 50 mW or less Oscillator PLL synthesized Maximum Input Level 126 dB SPL Maximum Deviation ±40 kHz Audio Frequency Response 100 Hz - 15 kHz Battery WB-2000 rechargeable battery (option) or AA alkaline dry cell battery Battery Life Approx
Noise Level: 32dBA
Mini compact size
DS1681BLU SOUNDBOX BLUETOOTH SPEAKER TOUCH BT4.0 HD PORTABLE BLUE DOSS DS1681 VCDR-50P Speech etcFeatures Capacitive Touch Control: DOSS touch portable speaker makes it easy to control the mood and energy of any party by giving you fingertip control of the tracks you're playing, their volume and more. Wireless Portable Bluetooth Speaker: Enjoy a high definition stereo sound with an impressive volume whether you're lounging around the house, or partying, walking out, camping. Bluetooth 4. 0 Technology: Equipped with advanced technology and
