| Dimensions: | 
3.38"L x 2.23"W x .88" THK. (85.8mm x 56.6mm x 22.3 mm) (Not including belt clip or microphone assembly) | 
| Weight: | 
2.5 oz. (70.9 grams) (with batteries and microphone) | 
| Color/material: | 
Silver gray, ABS/Polycarbonate molded plastic case. | 
| Battery Type: | 
Two 1.5V (AAA size) alkaline | 
| Battery Life: | 
Up to 200 hours (typical usage) | 
| Low Battery Indicator: | 
Red light on top panel flashes. | 
| Microphone: | 
Omnidirectional, electret microphone assembled in housing with foam wind screen and 3.5mm mono plug. | 
| Tone Control: | 
External rotary control knob to allow user to optimize hearing. | 
| Volume Control: | 
External rotary control knob with power ON-OFF switch. | 
| Microphone Jack: | 
3.5 mm, mono, gold plated mini plug. | 
| Headphone Jack: | 
3.5 mm, mono, nickel plated mini plug. | 
| Accessories included: | 
Belt clip: Allows the user to wear the unit on a belt. Lanyard: Allows the user to wear around the neck. TV listening extension cord: extends the microphone to 12 ft. | 
| Options: | 
Unit comes packaged with one of the Williams Sound options: Mini earphone, single (EAR 013) Dual mini earbud (EAR 014) Wide range earphone; single (EAR 008) Lightweight headphone (HED 021) Wide range headphone (HED 026) Induction neck loop (NKL 001) | 
| Approvals: | 
CE, RoHS, WEEE | 
| Warranty: | 
5 years, parts and labor (90 days on accessories) | 
| Electrical Specifications (1k Hz ref.): | 
Power output: 50 mW (max) into 16 ohms AGC: Limits maximum output level | 
| Distortion: | 
2% THD (max) | 
| Frequency Response: | 
Tone at high position: 11dB boost at 5kHz, 8dB cut at 400 Hz. Tone at mid position: 0dB boost at 5kHz, 4dB cut at 400Hz. Tone at low position: 3dB cut at 5kHz, 4dB boost at 400 Hz. |