Earpiece Design (23) ------------------ Behind-the-neck (1) Earbud (6) On-ear (12) Over-the-ear (7) Over-the-head (11) Earpiece Type (23) ------------------ Binaural (12) Monaural (11) Sound Mode (23) ------------------ Mono (12) Stereo (12) = >= <= Wireless Operating Distance (21) ------------------ 32.8 ft (1) 49.2 ft (1) 98.4 ft (6) 164 ft (8) 213.3 ft (1) 246.1 ft (1) 250 ft (1) 298.6 ft (1) 300 ft (1) Wireless Technology (21) ------------------ Bluetooth (21) Microphone Design (20) ------------------ Boom (19) Cheek (1) Audio Formats (19) ------------------ AAC (5) AAX (5) AAX+ (5) AC3 (1) AIFF (5) Apple Lossless (5) Audible (5) Audible 2 (5) Audible 3 (5) Audible 4 (5) Audible Enhanced Audio (5) CD-DA (1) MP3 (19) MP3 VBR (5) OGG (1) WAV (6) WMA (14) = >= <= Driver Size (18) ------------------ 0.24" (1) 0.54" (6) 0.94" (1) 1.10" (2) 1.26" (5) 1.57" (3) = >= <= Flash Memory Capacity (18) ------------------ 128 MB (1) 256 MB (1) 512 MB (1) 1 GB (2) 2 GB (7) 4 GB (5) 8 GB (1) = >= <= Maximum Frequency Response (18) ------------------ 20 kHz (18) = >= <= Minimum Frequency Response (18) ------------------ 20 Hz (14) 100 Hz (4) Virtual Assistant Supported (18) ------------------ Alexa (2) Bixby (1) Cortana (1) Google Assistant (17) Siri (17) = >= <= Maximum Operating Frequency (15) ------------------ 76 MHz (1) 529.98 MHz (6) 542 MHz (1) 589.98 MHz (6) 960 MHz (1) = >= <= Operating Range (15) ------------------ 150 ft (1) 328.08 ft (12) 330.05 ft (2) = >= <= Cable Length (14) ------------------ 4.92 ft (8) 5.28 ft (1) 7.10 ft (3) 7.12 ft (2) Host Interface (12) ------------------ Mini-phone (3.5mm) (3) RJ-11 (1) USB Type A (8) USB Type C (3) Noise Canceling (12) ------------------ Yes (12) Color Family (11) ------------------ Black (9) Gray (1) Multicolor (1) Product Functions (9) ------------------ FM Recorder (4) FM Tuner (4) Photo Viewer (5) Voice Recorder (4) Frequency Band Type (7) ------------------ AM (1) Aircraft (1) FM (1) UHF (7) VHF (7) Scanner Type (7) ------------------ Analog (1) Digital (6) Memory Card Supported (6) ------------------ Memory Stick (1) MultiMediaCard (MMC) (4) SD (5) SDHC (1) microSD (1) Microphone Connectivity (6) ------------------ Cable (5) Wireless (6) = >= <= Number of Microphones Included (6) ------------------ 1 (1) 2 (4) 3 (1) = >= <= Screen Size (6) ------------------ 1.8" (5) 7" (1) TAA Compliant (5) ------------------ Yes (5) = >= <= Total Number of Speakers (5) ------------------ 1 (1) 2 (3) 3 (1) Battery Size Supported (4) ------------------ AA (4) Battery Rechargeable (3) ------------------ Yes (3) Music Service Compatibility (3) ------------------ iTunes (3) USB (3) ------------------ Yes (3) Detachable Microphone (2) ------------------ No (1) Yes (1) Application/Usage (1) ------------------ Recording (1) Auxiliary Input (1) ------------------ Yes (1) Built-in Devices (1) ------------------ Battery (1) Microphone (1) Speaker (1) = >= <= Disc Capacity (1) ------------------ 1 (1) = >= <= Display Resolution (1) ------------------ 20480 Pixel (1) Headphone (1) ------------------ Yes (1) = >= <= Maximum Recording Time (1) ------------------ 2147 Hour (1) Media Formats (1) ------------------ CD-RW (1) DVD+RW (1) DVD-RW (1) Microphone Technology (1) ------------------ Omni-directional (1) = >= <= RMS Output Power (1) ------------------ 5 W (1) Screen Type (1) ------------------ LCD (1) Speaker Form Factor (1) ------------------ Integrated (1) Video Formats (1) ------------------ DVD Video (1) MPEG-1 (1) MPEG-2 (1) Wireless LAN (1) ------------------ Yes (1)