Special Pack Handheld Dual Wireless Set with SE112 Earphones BLX288/B58 (BETA58A) []

Transmission frequency band: B band / Radio wave format: 10mW / Range: Up to about 90m / Frequency characteristics: 50Hz - 15kHz / BLX88 dual receiver: Antenna: Built-in / Audio output: XLR 3 pin (male) / 1/4" phone BETA58A head handheld transmitter: Built-in whip antenna / Power source: AA alkaline batteries x 2 / Battery life: Approximately 14 hours / Dimensions and weight: φ53 x total length 224 mm, 218 g (without batteries)