Experience clear and reliable wireless audio with this advanced UHF Wireless Headset Microphone System, designed to deliver interference-free sound transmission up to 30 meters without obstacles. Featuring ultra-low 2.5ms transfer delay, this system ensures high-fidelity and stable audio performance, perfect for a variety of professional and personal uses. Key Features: · UHF Band Wireless Transmission: Utilizes UHF frequencies to effectively avoid signal interference, providing a stable and pure sound transmission within a 30-meter range (line of sight). · Dual A/B Channel Frequency Selection: Supports two frequency channels (Channel A: 600~649MHz, Channel B: 650~699MHz) to prevent frequency conflicts and distractions when multiple systems operate simultaneously. · Versatile Receiver Connectivity: The included receiver features a 3.5mm audio plug for direct connection to most audio devices without the need for additional cables. A 6.35mm audio adapter is also provided for compatibility with bus, car audio systems, and outdoor draw-bar speakers. · Long-Lasting Rechargeable Batteries: Both the headset microphone and receiver are equipped with built-in 400mAh polymer lithium batteries, offering up to 5 hours of continuous use. Includes low battery indicators and automatic shutdown for battery protection. Convenient DC 5V Type-C charging port ensures fast and easy recharging. · Compact and Durable Design: Crafted from ABS and metal materials, the headset microphone and receiver are lightweight, portable, dampproof, and corrosion-resistant—ideal for on-the-go use. · Wide Application Range: Perfect for teaching and training sessions, tour guiding, music performances, KTV singing, family entertainment, conference hosting, and more. Specifications: HEADSET MICROPHONE: · Channel A: 600~649MHz · Channel B: 650~699MHz · Transmitted Power: 10dBM · Capsule Type: Condenser · Battery: 3.7V 400mAh lithium battery · Size: 180 x 145 x 115 mm (7.09 x 5.71 x 4.53 in) RECEIVER: · Channel A: 600~649MHz · Channel B: 650~699MHz · Frequency Range: 50Hz~15KHz · Battery: 3.7V 400mAh lithium battery · Size: 82 x 26 mm (3.23 x 1.02 in) General: · Material: ABS + Metal · Working Distance: Up to 30 meters (without obstacles) · Item Weight: 81g (2.88oz) · Package Weight: 219g (7.75oz) · Package Size: 23.5 x 18.8 x 6.5 cm (9.25 x 7.40 x 2.56 in) Package Includes: · 1 x Headset Microphone · 1 x Receiver · 1 x Type-C Charging Cable · 1 x 6.35mm Audio Adapter · 1 x User Manual (English) This wireless headset microphone system combines portability, durability, and advanced wireless technology to provide crystal-clear sound and reliable performance, making it an excellent choice for educators, performers, guides, and presenters alike.