Specification
Speaker
Speaker size
16mm
Sensitivity
120 dB, +/-3dB
Impedance
90 ohms, +/-15%
Audio Output
500mW
Resonance frequency
400Hz +/-20%
Microphone
Microphone Size
6.0*5.0mm
Frequency Response
20-16000 Hz
Sensitivity
-37.56 dB, 2dB
Impedance
2.20k &1kHz
S/N ratio: Min.
-56dB &1.1KHz
FEATURES
Attaches against user’s throat, picking up audio directly from vocal cord vibrations which blocks 
background noise perfectly
Heavy duty PTT good feel, talk and listen without holding the radio
High-quality noise cancelling microphone for excellent transmitted audio
Transparent acoustic tube ,clear sound performance, make you have no auditory fatigue even wearing 
it for a long time during strenuous outdoor activity.
Made of good quality durable cable, resistance to pull
Connector is 2.5mm pin
Compatible Walkie talkie Models
For Motorola handheld radios
TKLR Series: TLKR T5, TLKR T6, TLKR T7, TLKR T8 TLKR T9
EM Series: EM1000, EM1000R, EM1020R,
MR Series:MR350R,MR355R, MR356R
MH Series: MH230R
MB Series: MB140R
MC Series: MC220R, MC225R, MH230R,
MJ Series: MJ270R
XTR446, XTL446,PMR446
Spirit GT / GT plus, FR50, FR60,
SX500, SX620R, SX700, SX709R, SX750, SX800, SX900, SX920R,
FR50, F60, FV200,FV200R, FV200AA, FV300,FV500,FV500R, FV500AA , FV600,  FV700, FV750, FV800,
T270, T280, T289, T4000, T4512, T7000, T4800, T4800AA, T4900, T4900AA, T5000, T5100, T5000AA,T5146, T5200, T5300, T5320, T5400, T5410, T5412, T5420, T5422, T5500, T5500AA,T5512, T5522, T5532, T5550, T5600, T5620, 
T5700, T5710, T5720, T5725, T5800, T5820,T5822,T5900, T5920, T5950, T5950AA , T6000,T6200, T6210, T6212,T6220, T6222, T6250, T6300,T6300AA, T6310,T6312,T6320,T6322,T6400,T6412, T6500, T6510, T6550, T6512,T6552R,T6500AA, T7000,T7100R, T7150R, T7200, T7200AA, T7400R, T7400AA,  T7450R, T7100, T7150, T7200, T7400, T7450, T8000, T8500, T8550, T9000,
T9500, T9550, T9500R, T9500XLR, T9550XLR, T9580XLR, T9650, T9680
Products Description
Large waterproof PTT (IP54) owns good texture.
Flexible & fully adjustable band for comfortable wearing.
Durable and thick cable, designed for tough environment.
Transparent flexible acoustic sound tube will protect you from radiation.
Soft plastic earbud fits snugly to ear, which keeps your conversation private.
Clear sound expression speaker and sensitive vibration detecting microphone.
Since the microphone transmits directly from your throat, it is not sensitive to the background noise. This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles.
With the best-quality transparent acoustic tube that could hardly be detected by people around you, this is also ideal for surveillance purposes and security at airports, casinos, crowd control at conventions and concerts, and other working environment requiring discreet communications. The throat mic could be easily hidden under the collars too.

Applications:
Relevant personnel: police, military, bouncer, and businessman.
Related sites: nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conventions, concerts, warehouses, and noisy environments.