MAXHUB Mobile Capture Collar LM50 Features Versatile Wearing Options – Clip it on your collar, hang it around your neck, wear it on your head, or hold it in your hand for multiple wearing styles to suit any situation Dual Microphones Connection – Supports simultaneous connection of both microphones for seamless coordination and clear audio capture from multiple sources Exceptional Battery Life – 7–20 hours of continuous use with super?fast charging, fully recharging in just one hour Long?Distance Transmission – Ultra?long 100?meter transmission range with automatic reconnection and infrared wireless pairing, free from frequency interference Specifications Button and Interface Multifunction Button: Power Control, Mute Function, Pairing Volume Up: “Volume ” Function Volume Down: “Volume -” Function Hardware Features Charging Case LED Indicator: Power indicator and charging status indicator Microphone Display Screen: Working Status Indicator Quick Connect: Automatically initiates pairing each time it is removed from the case Auto Power Off: After 5 minutes of inactivity After 40 minutes of inactivity in connected mode Infrared Pairing Distance: 10 m Wireless Pairing Distance: 2 m Effective Amplification Distance: Up to 100 meters in open space without obstacles Quick Charging: Charges for 10 minutes, provides over 90 minutes of usage time Reset Prompt: Microphone clips “clicks” when adjusted to the 0-degree position Signal-to-Noise Ratio: 95 dB Transmission Protocol: Bluetooth 5.2 Technical Standard: LE AUDIO Encoding Method: LC3 Plus Electrical Parameters Charging Case Power Input: 3.7V, Lithium battery Charging: USB-C 5V Charging Time: 2 hours Microphone Power Input: 3.7V, Lithium battery Microphone Charging: Charging case USB-C 5V Microphone Charging Time: 1 hour Operating Time: > 6 hours Audio Parameters Frequency Response: 20 Hz – 20 KHz Distortion: 0.1% @ 1KHz Signal-to-Noise Ratio: 95 dB Audio Latency: < 25 ms Audio Sampling Rate: 48 KHz / 16bit Wireless Transmission Range: 2402 MHz – 2480 MHz Transmission Power: 0 ~ 13 dBm Physical Parameters Charging Case Dimension (W — H — D): 84 — 76 — 39 mm Microphone Dimension (W — H — D): 30.4 — 51.6 — 26.1 mm Package Dimension (W — H — D): 140 — 50 — 113 mm Net Weight: 0.16 kg Gross Weight: 0.45 kg Accessories USB Type-C Charging Cable — 1 Wind Protection Furry Cover — 3 Microphone Lanyard — 1 Storage Bag — 1 Microphone Headset — 1 Environmental Conditions Operating Temperature: 0°C ~ 40°C Charging Temperature: 5°C ~ 40°C Storage Temperature: -20°C ~ 60°C Operating Humidity: 10% ~ 90% RH Storage Humidity: 10% ~ 90% RH