SB4200

 Central Box (Battery Case):

• Battery Level Display:
  -3-digit white LED display indicating battery level.
  - Four multi-color LED indicators showing the battery status of earphones and microphones.
• Controls:
  - Power on/off with LED indication.
  - Volume up and down keys with 8-level adjustment and mute function.
• Connectivity:
  - Receives signals from microphones and transmits to earphones via Bluetooth.
  - 3.5mm AUX-in port for connecting to TVs (automatically switches to TV mode when the cable is connected).
  - White LED indicator for TV mode.
• Power and Stabilization:
  - USB Type-C charging port for battery recharging.
  - Silicon feet for enhanced case stabilization.
• Specifications:
  - Battery capacity: 2,000mAh / 3.7V.
  - External power adapter with USB Type-C cable (included)
  - 3' RCA to 3.5mm audio cable (included)
• Dimensions: 4.65”(W) x 2.99”(H) x 1.30”(D)

Earphones:

• Bluetooth Receiver: Receives signals from the central box.
• Automatic Power On: Activates when removed from the central case.
• LED Indicators: Green and red LEDs show connectivity status.
• Battery Specifications:
  - Capacity: 40mAh / 3.7V per earpiece.

Microphone:

• Design and Build:
  - Clip-on style with a metal speaker grill design.
• Bluetooth Transmission: Transmits signals to the central box.
• Features:
  - Voice enhancement for clear audio.
  - Built-in noise cancellation for a better experience.
  - Automatic power-on when removed from the central case.
• LED Indicators: Green and red LEDs show connectivity status.
• Battery Specifications:
  - Capacity: 320mAh / 3.7V per microphone side.

Charging Station:

• 3.5mm Aux-in Port for TV Connectivity
• USB-C Charging Port
• Dimensions: 4.72”(W) x 1.00”(H) x 1.37”(D)

Assembled Unit:

• Dimensions: 4.72”(W) x 3.78”(H) x 1.37”(D)