Yoidesu Hidden Earphone, Long Battery Life Ergonomic Earphone with Extension Cable, for Stage Performances Conference Hosting

Specification: Item Type: Hidden Earphone Size: Approx. 5x7x10mm / 0.2x0.28x0.39in Shape: Ergonomic Receiver Type: Magnetic, Analog Maximum Volume: 110dB Battery: SR416SW 337mAh Battery x2, (Included) Battery Life: 3-5 hours How to Use: 1. Open the battery compartment cover of the earphones and insert the battery. Place the earphones in your ears and listen for a slight electric current sound to confirm they are working properly. 2. Wrap the induction coil around your neck and connect it to the device (such as a phone, radio, etc.) worn on or under clothing. Package List: 1 x Earphone 1 x Extension Cable 2 x Batteries 2 x Storage Box 1 x User Manual Note: 1. To avoid potential interference from noise while using this device, please stay away from electrical appliances such as computer mainframe, speakers, TV, refrigerator, etc. 2. Due to the working principle limitations of RF wireless technology, earphone may produce slight electric current noise when in use, therefore it is not recommended to use them while listening to music.

• Audio] Experience superior sound quality with optimized transmission technology that outperforms similar products. our earphone provides enhanced audio penetration, ensuring you hear every word clearly even in noisy environments. with a maximum volume of 110db, you'll never miss important cues during performances or presentations.
• [Extended Battery Life] Designed for the professional who need reliable performance, our hidden earphone features an impressive 3-5 hour battery life. the low-power consumption design coupled with stable signal reception makes it ideal for prolonged use during important events. included sr416sw 337mah batteries ensure you're always performance-ready.
• [Hidden Design] Utilizing advanced electromagnetic induction technology, our hidden earphone delivers clear sound without any visible structures. perfect for professional scenarios like stage performances and conference hosting, this discreet earpiece ensures you stay focused while maintaining a polished appearance. the ergonomic shape fits comfortably in your ear for all-day wear.
• [Universal Compatibility] Works seamlessly with devices featuring standard 3.5mm audio jacks, including smartphones, tablets, and mp3 players. (note: for ios or type-c devices, purchase our optional adapter cable.) the included extension cable provides flexibility for various setup configurations during performances or presentations.
• [Comfortable & Portable] Our ultra-lightweight (just 5x7x10mm) earpiece combines comfort with convenience. the thoughtful design allows for easy wearing and safe removal, while the included neckloop keeps your earphone secure during movement. perfect for performers, hosts, and professionals who need reliable audio without compromising comfort or mobility.