The Lectrosonics IFBR1B paired with the Halter Technical Peeko Mono Earbud delivers a discreet, professionalgrade monitoring solution ideal for broadcast, film, and live production. The ultracompact IFBR1B offers rocksolid Lectrosonics performance with efficient 20 kHz FM deviation, compandor noise reduction, and Pilot Tonecontrolled squelch for crystalclear, interferencefree cueing in even the most demanding RF environments. Complementing it perfectly, the Peeko earbud is the smallest and lightest earbud available, featuring a nearly invisible 5 mm driver, a formable earhook for allday comfort, and natural, detailed sound that keeps every cue intelligible without drawing attention on camera. Together, they create a reliable, comfortable, and unobtrusive monitoring setup built for long days on set and seamless professional communication.IFBR1B Main Features:Stores up to 10 frequency presets in memoryLCD interface for programming and operationHigh sensitivity for extended operating range indoors or outdoorsUSB port for firmware updatesCompact, rugged machined aluminum housingAttached battery door8+ hours battery life with removable LB-50 Li-ionWhat’s Included:Qty-1 Halter Technical PEEKO 40in Cable Mono EarbudQty-1 Lectrosonics IFBR1B Wireless Receiver (A1 Frequency)IFBR1B Specifications:AM rejection: 50 dB, 10 uV to 100 mVModulation acceptance: 20 kHzSpurious rejection: Greater than 70 dBOperating temperature range: -20 to 45 degrees C.Third order intercept: 0 dBmFrequency response: 100 Hz to 10 kHz, (+/-1 dB)Audio output: 1V RMS into 50 ohms minimumAntenna: Headphone cableMin. headphone impedance: 16.0 OhmsProgrammable memory: 10 frequencies can be stored as presetsControls:- Top Panel: Single knob controls Audio Output Level and Power On- Side Panel: Membrane switches with LCD interface for Frequency Selection and Preset functionIndicators: Multi-color LED indicator for power on and battery statusBattery: LB-50 Li-ion 3.6 V 1000 mAHBattery Life: 8 hours per charge with LB-50 Li-ion batteryCurrent consumption: 120 mAWeight: 3.4 oz (with battery and wire belt clip)Size: 2.8 x 2.4 x 0.8 in. (71.1 x 70.0 x 20.3 mm)