Features:

• Complete set includes 1 x e-pistol with case, all cords and Heavy Duty 30 watt rechargeable amplifier.
• Pistol has 3 different tones (Traditiional starting gun sound, Whistle and Swimming "Beep")
• Pistol has a light function.
• Starting pistol connects to Amplifier via UHF Setting.
• For loudest results ensure Volume and Echo settings are at maximum.
• Aux output to connect to amplifier.
• Additional output to connect to timing software.
• Affordable quality and extremely convenient.
• Ideal for Athletics, swimming or multi purpose use

Techincal Specs:

• Output power: 30W
• Charging Voltage: DC5V 2A
• lithium battery: 3.7V 4400mAh
• Working time:5-6 hours(50%
  volume) ;
• Charging time: 4-5 hours
• Product size:
  320.4*249.94*130mm
• S/N ratio:≥80db
• Distortion:≤5%
• Frequency response :100Hz-
  18KHz
• Working temperature: -10℃ ~45℃

Functions:

• 3.7V 4400mAh lithium battery.
• 30w output power,built in 5.25 inch speaker horn.
• Bluetooth 5.0 connection.
• Support audio input and audio output.
• Support TF card & USB flash drive playing.
• Support mic echo adjustment.
• Support FM radio function.
• Independent microphone and music volume control.
• Independent 3.5mm mic input.
  
  

Includes:

• 1 x 30 Watt Amp
• 1 x  Transmittor
• 1  x wireless MIC
• 1  x user manual
• 1 x Type-c charging cable
• 1 x 5V1A adaptor
• 1 x Audio cable
• 1 x Belt
• 1 x Electonioc pistol with case and cables (Batteries not included)