New design, the battery has changed into 550 mAh, calling time up to 3.5hrs. MT6261 low power consumption, noise re..
Mini GSM earpiece box, without neckloop. Easily to hide into clothes/ hat / collar. Auto answer function.FeaturesTw..
Sony 1.55V button cell battery, 337 SR416SWPower: 8mAh
PTT walkie talkie is used by your helper, you take the wallet as
receiver, and wear earpiece to follow instructio..
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