Zekler headphones with radio and Bluetooth 412RDB

With the Side Tone function, you can clearly hear your own voice, which helps you speak at a normal volume even in the event of loud noise
The active listening function is maintained during incoming calls for safety reasons
The Adaptive Volume Control function automatically adjusts the volume during incoming phone calls, based on the ambient sound level
The Automatic Frequency Control (AFC) function reduces the hiss between radio channels during searching, locks and maintains the selected channel even in poor reception conditions
Automatic switching between stereo/mono gives a more stable sound image depending on the reception conditions
Level Dependent System strengthens weak sounds and allows you to hear ambient sounds, but at the same time protects against strong impulse sounds
3.5 mm AUX input.
Includes 2 x 3.5 mm stereo jack cable
Adjustable headband
Soft, replaceable head cushion
Wide, comfortable and easily replaceable sealing rings
Range up to 10 m to the connected Bluetooth® device.
Includes 2 x 1.5 V AA batteries
Rechargeable batteries (HR6 2100 mAh) and a battery charger are available as accessories. Charging time approx. 3 h from a wall outlet and approx. 8 h from a USB port.
Battery control/power saving function for automatic shutdown if no settings have been made within 6 h
Complies with EN 352-1, 352-4, 352-6, 352-8 requirements and the electromagnetic compatibility directive 89/336/EEC.