Product Review
Benefits : 1. Earphone helps work in noisy environment. 2. Cable lead and socket can be used at the same time. 3. Low battery indicator function. 4. Rechargeable lithium battery for transmitter. Technical indexes: Max cable length – 20 km Max depth distance - 2m Power supply Transmitter : 3. 7V Lithium battery Receiver: 9V battery Low battery indicate Transmitter: Receiver : Charging current 800mA Signal transmission format Multi-frequency pulse Signal output level 21Vp-p Signal transmission distance <1000m Dimensions (LxWxH) Transmitter : 152 x 55 x 34 mm Receiver: 252 x 45 x 28 mm Whole set: 320 x 160 x 55 mm Weight ( battery included ) Whole set: 0. 5kg.











