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MateTalk B4 Description
Retevis MateTalk B4 walkie talkie is a rechargeable jobsite radio with waterproof shoulder microphone and AI noise reduction. The 4-pack suits construction, warehouse and industrial crews.
Each radio weighs 140 g and fits tool belts or pockets. VOX starts transmission with a long press of the side key, so workers stay connected while handling equipment, climbing ladders or inspecting progress.
MateTalk B4 Highlights
25dB SNR noise reduction
Trained AI filtering lowers jackhammer and machinery roar so orders stay intelligible.
IP54 shoulder microphone
Capacitive electret mic cuts through hammering and shouting on chaotic sites.
1200mAh shift battery
Delivers up to 30 hours standby for fewer charging breaks during long projects.
VOX hands-free
Talks without stopping work when hands are full of tools or controls.
140 g carry weight
Moves freely between floors and zones with no bulk in pockets or belts.
MateTalk B4 Specifications
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Weight: 140 g / 0.31 lb
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Battery: 1200 mAh rechargeable
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Use time: 26/19 hours
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Hands-free: VOX via side key
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Standby time: up to 30 hours
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Pack contents: 4 radios with shoulder microphones
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Microphone rating: IP54 waterproof
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Brand: Retevis















