Sennheiser Profile Wireless is the compact all-in-one microphone system for freelance creators and videographers. It includes a two-channel 2.4 GHz receiver, two clip-on microphones, and versatile mounting and connection accessories housed in an ultra-portable charging bar that doubles as a handheld interview mic. Profile Wireless Features: All-in-one: includes 2-channel 2.4 GHz receiver, 2 clip-on microphones, accessories, charging bar, and carrying pouch Quick and easy set up - no app required Ultra-portable charging bar stores components and doubles as handheld mic Signature Sennheiser sound for superior audio quality and connectivity over 2.4 GHz Long-lasting battery life provides up to 7 hours of runtime 2-channel 2.4 GHz system allows for simultaneous recording of two sources Versatile capabilities: receiver and clip-on microphones connect to camera, computer, phone, or to use as a desktop mic 16 GB memory in each clip-on mic for up to 30 hours of internal recording; start/stop recording locally via clip-on mic or remotely via receiver Safety Channel Mode outputs backup audio at lower volume to help protect against clipping Activate Backup Recording Mode to automatically turn on internal recording if wireless signal becomes weak Includes cold shoe mounting adaptor, USB-C and Lightning connector, threaded mounting sockets Pre-paired clip-on microphones automatically connect to receiver, no configuration required Lockable external 3.5 mm TRS connector on each microphone for secure connection to optional Sennheiser lavalier mics Dedicated headphone output for easy audio monitoring Includes microphone mounting clips and magnets for attachment to clothin OLED receiver display includes gyro sensor that automatically orients display German-engineered with durable build quality What's Included: Sennheiser Profile Wireless 2-Channel Microphone Set (Art. no. 700266) Multi-Function Charging Case Small Two-Channel Receiver 2x Clip-on Mic Transmitter Adapter: USB-C / Lightning / Cold Shoe 2x small Mounting Magnets 2x Microphone Windscreen Charging Bar Windscreen 3.5 mm TRS Coiled Cable without Lock USB-C to USB-C Cable Carrying Pouch User documentation: Quick Guide, Safety Guide, Compliance Sheet Profile Wireless Specifications: System; RF-Link 2400-2480 MHz Audio frequency response 60-20.000 Hz110-20.000 Hz(with active Low-Cut filter) Audio THD < 1.5 % Signal to Noise Ratio (SNR) typ. 78.5 dB (A) Link disrance (LoS) ≤ 245 m Link disrance(Bodyblocking) ≤ 150 m System latency < 8 ms Operating temperature -10 °C - +45 °C Charging temperature 0 °C - +45 °C Relative humidity 25-95 % (non-condensing) Receiver (Rx): Transmit power (radiated) < 20 dBm EIRP Camera output min. 1 kΩ Impedance Digital output USB-C Audio Klasse 2.0 /48 kHz / 24 Bit Headphone output 25 mW(min. 32 Ω Impedance ) Runtime < 7 h Charging time (0-100%) < 2 h Battery capacity 350 mAh / 1295 mWh Dimensions 45 x 42 x 19 mm Weight 30 g (0.07 lbs) Transmitter (Tx): Transducer principle condenser Pick-up pattern omni-directional Max. SPL at 1 kHz 113 dB SPL Transmit power (radiated) < 20 dBm EIRP Runtime ≤ 7 h (recording with transmitting)≤ 14 h (recording without transmitting) Charging time (0-100%) < 1.5 h Battery capacity 280 mAh / 1036 mWh Dimensions 42 x 33 x 21 mm (incl. Clip) Weight 27 g Charging Bar (CB): Power supply (USB-C) USB-C 5 V, 3 A max. Charging time (0-100%) < 3 h Battery capacity 2000 mAh / 7400 mWh Dimensions 152 x 41 x 55 mm Weight 198 g/0.44 lbs(290 g/0.64 lbs)(incl. all devices)