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Product Description: Introducing the Loud Speaking Phone, a high volume phone designed for noisy environments. This noiseless telephone device feature...

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Best cheap china analog open fit hearing aid for sale Signature feature Analogue BTE Operated with 13A battery Open-fit design,easy operating Mini siz...

... interference (Band 8) 900MHz -- Uplink frequency: 890-915MHz/Downlink frequency : 935-960MHz Network support : 2G Gain :70±2dB Power Supply ...

Product characteristics: 1. On-board power amplifier module, high output power up to 25W, sound loud. Conversion efficiency is higher, fever is smalle...

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Products Description DC 7.4V Battery AMP 2x20W MP3 Microphone TWS Wireless Amplifier Power Board for Outdoor Trolley Portable Speakers User Manual: Pl...