Sennheiser EK IEM G4-A1 - miniature stereo receiver, 470516 MHz

Receiver display: Yes | Number of batteries: 2 | Headphone outputs 1/8" (3.5 mm) : 1 | Receiver height: 8,2 cm | Radio Frequency (RF) range: 470 - 516 MHz | Operating frequency type: Ultra High Frequency (UHF) | Harmonic distortion (THD): ≤ 0,9 % | Warnings: Do not open the unit housing. | Warnings: Avoid contact with water. | Maximum temperature: 55°C | Warnings: Use in accordance with the manufacturer's instructions. | Display type: LCD | Receiver weight: 125 g | Maximum range: 100 m | Receiver type: Bodypack receiver | Receiver width: 6,4 cm | Receiver depth: 2,4 cm | Runtime: 4-6 h | Package contents: User manual | Package contents: AA battery x 2 | Minimum operating temperature: -10 °C | Package contents: One Receiver unit | Package contents: Headphones