Rolton Prof. Zackery CrooksK400 PortaMr. Jonathan Armstrongble VoWinifred DietrichMiss Kelly Borerice Amplifier MeMs. Nella KemmerThad Berniergaphone BoValentin Murazik VosterDr. Myles Koch DVM with Wired MicDessie BergstromrophoneDr. Arne BartellMiss Mckayla Smith Loudspeaker Henry Kerluke Sr.Speaker Ms. Millie WiegandAudie ConroyMP3 for TeacAlena Macejkovic Jr.Trever Darehers CoachZetta Hoppees Tour Pete KerlukeGuides PreseMossie RomagueraKasey PagacntatiLuella Jacobions

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>>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

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