Specifications:
1. Frequency: 200Hz ~ 5400Hz
2. Shape : anatomical shape
3. Battery Life : 15h
4. Interference : <2%
5. Receiver type : magnetic/analogue
6. Maximum volume : 110dB
7. Battery : #337
8. Approved: CE / FCC
The invisible earpieces are cordless devices. They are virtually invisibly fits into the ear. It ensures complete covert reception that delivers a whisper from netloop transimitter or wallet transimitter. This enables you to listen to conversations with maximum convenience and discretion. Because of tiny size, the invisible secret service earpieces for maximum listening discretion in surveillance activities.
Introduction:
It's an invisible and wireless mini earphone. It's very difficult to be found by others when you get it in your ear. Generally, it's used by reporters, journalists, investigators and so on. This mini earphone can be connected to Nokia, Samsung, Motorola and other branded mobile phones.
XF701(B) Wireless Micro Headset|Wireless Hidden Headset
hidden headset,suitable dor cell phone,spy earpieces,micro headphone
It's an invisible and wireless mini earphone and suitable for cell phone