Shidu S611 Little Bee Teacher Amplifier & Microphone for Classroom, Tour Guide, Outdoor Sales, and Supermarket Use

This compact and portable device is designed to enhance voice projection in various settings such as classrooms, tours, outdoor sales, and supermarkets. It features a powerful amplifier combined with a lightweight, hands-free microphone that ensures clear and crisp sound. With its user-friendly controls and rechargeable battery, it offers an extended period of operation, making it ideal for professionals who require reliable audio support throughout the day. Durable and easy to carry, it seamlessly fits into diverse environments, providing effective voice amplification for any occasion. Model: SD-S611 Interface Type: USB Connection: Bluetooth connection Frequency Range: 40Hz-20KHz Output Power: 5W Signal-to-Noise Ratio: ≥70db Channel: 2 Power Supply: Built-in lithium battery Expandable Storage: 16 GB Number Of Speakers: 2 Bluetooth Protocol: 3.0 Effective Distance: 10 m Battery Capacity: 1800 Playing Time: 8 hours Shell Material: ABS Physical Dimension: 108*88*37 Product Weight: 253 Function: Amplification Display: Have Supported Formats: USB flash drive Playback Format: MP3 Speaker Adjustment Method: Knobs Manufacture country: China Instructions included: No