Rolton K400 Loudspeaker Microphone Voice Amplifier Booster Megaphone Speaker For Teaching Tour Guide Sales Promotion

Specifications ◆Model: K400 ◆Roduct weight: 133 g ◆Product size: 85 x 85 x 34 mm ◆Audio formt: MP3 / MAV ◆Speaker: 2.5 "* 1 ◆Lithium battery: 1200 mAh ◆Charging voltage: DC 5.0 V ◆Working voltage: DC 3.7 V ◆Rating: 5 W ◆Material: UV & ABS ◆Degree of Separation: 80dB ◆Distortion Degree: 1% (3.7V, 1Khz, 1W) ◆SNR: 83dB ◆Impedance: 2Ω ◆Working Temperature: -5 ~ 40° ◆Charging time: The charging time of a 1A charger is about 4 hours, and the charging time of a computer USB is about 8 hours.

Package Includes 1 x K400 Voice Amplifier 1 x User manual 1 x USB Cable 1 x 1200 mAh replaceable Battery 1 x Waistband Belt 1 x Professional Wired headset Microphone