ขาย Rolton รุ่น K300ไมค์ลำโพงช่วยสอน ไมค์ช่วยสอน ลำโพงพกพา ราคาที่ดีที่สุด

Brand Name: Rolton Communication: Wired Package: Yes Style: Headset Microphone Set Type: Amplifier Sets Polar Patterns: Omnidirectional Transducer: Condenser Microphone Model Number: K300 Use: Conference Microphone Support Music Format: Mp3 WAM WAV Support: Power bank Wire Microphone: Yes Special Feature: Mini, Portable Audio Output: Single Speaker Structure: Sealed Interface Type: 3.5mm, USB Communication: Wired Speaker Classification: Loudspeaker Rolton K300 Function & Parameters: Unique appearance design, small size and light structure Size: 3.39'' * 1.57'' * 4.61'' ； Weight: 249 g Rechargeable and replaceable 2200 mAh lithium 18650 battery. Standby time can lasts 18~22 hours, more than 12 hours of continuous use after a full charge. Professionally voice amplifier sound, loud, clear, low feedback. Comfortable and convenient for Teachers, Coaches, Tour Guides, Presentations ect. Compatible with all media devices by 3.5mm AUX port as SPEAKER ; support TF Card (no more than 32GB) MUSIC PLAYER, can directly play MP3,WMA,WAV format audio files. FM RADIO, auto-search and save radio stations. Additional 2200 mAh POWERBANK function.