Micro headset black and "loop" with amplifier   (Número: MS11+MS07)

The headset:
This is one of the smallest headsets at the best price. With its small size this headset can become completely invisible if put into the ear canal.
The great sensitivity of MS11 makes it usable with all the receivers which guarantees a crystal clear sound even at greater distance from the "loop".
It's powered by a 1.55 V battery, it has an extremely low power consumption and will promptly inform you with a beep when the battery is depleted.
Features:
Frequency band: 200Hz ~ 5400Hz
Power consumption: 0.65mAh
Operating temperatures: 0 ~ 40C
Battery: Type 337 or 416
Working time: 6 hours
Dimensions / weight 10x7x6 mm / 0.5 grams
The "loop":
The 3W audio amplifier installed in the loop guarantees a powerful and clear sound in the headset. On the front panel there is a power and talk button. With the potentiometer on the side you can control the volume. With the sensitive microphone provided, you can establish a two-way communication.
The "loop" has a built-in rechargeable lithium-ion battery that gives you about 2-3 hours of talk time. The charging time is 2 hours.
Features:
Audio amplifier: 3 W
Battery: 230 mAh
Listening time: 2-3 hours
Charging time: 2 hours
Distance to receiver: 30 cm (15 cm for the magnetic one)
Dimensions: 930 mm is the "loop" and 750 mm connection cable
Connection: stereo jack.