Features:

Neckloop anti-drop Design

Optical Audio In for New Generation TV

Neckloop Induction to Hearing Aid Device

Adjustment of Sound Balance and Treble/Tone Clarity

Microphone Button for Sound Amplification

Specifications:

Carrier Frequency: 2.4GHz

Operating Voltage:  Transmitter 5V

Receiver 3.7 V Lithium Polymer Battery

Frequency response : 20Hz–20 KHz

Distortion: 0.5%

Signal-to-noise ratio: 85dB

Work Time: 6 Hours

Charge Time: 3 Hours

Range: Up to 30 Meters