ขาย n9 gsm อุปกรณ์เครื่องดักฟังเสียงเฝ้าระวัง 2 mic ราคาที่ดีที่สุด

Description: Item type:Two-Way Audio Device Acoustic alarm function is available. Long standby time: built-in 200mA backup battery, it can last around 3-5 days under acoustic alarm function on mode; it can last around 12-15 days under acoustic alarm function off mode. Materials: Molded Plastic Dimensions: 4.3x 3.2 x 1.4(cm) Power: Built In 200 mAh Rechargeable Li-ion Battery Color: Black Voice Control On: 3-5 days Primary Function: Tri-band GSM Two-Way Audio Spy Device Voice Control Off: 12-15 days Working Time: 5 hours Microphone Range: 5-7 meter radius Package Include: 1x Two-Way Audio Device 1x USB Cable 1x User Manual(Chinese and English) Note: The colors deviation might differ due to different monitor settings.