EVIO Neckband Wireless Earphones (with Volume Control) by EVIO. These are EVIO neckband wireless earphones. They have volume control and are still in good working condition. I bought them on Amazon for around 3,000 yen. They were very useful for running and exercising. Only the items shown in the photos will be shipped. High-Quality Sound and Noise Canceling CVC 8.0 Noise Canceling: Effectively reduces ambient noise, allowing for clear hands-free calls and music enjoyment. Useful for outdoor use and improving work/study efficiency. Long Playback and Charging Up to 10 Hours of Continuous Playback: With a built-in 130mAh battery, you can enjoy 8-10 hours of music playback on a single charge (approximately 2 hours). 300 Hours Standby: Offers overwhelming low power consumption for long standby times. iOS Battery Level Display: You can check the remaining battery level of the earphones in real-time on iOS devices, allowing for worry-free use. (※Note※) Bluetooth 5.0 Support for Stable Connection Bluetooth 5.0 Evolution: Adopts a new chip, significantly improving data transfer capabilities and connection stability compared to previous standards. Provides fast and uninterrupted stable connections. (Recommended for Bluetooth V4.2 or higher terminals) Connection Stability: The latest chip performance improves connection stability, allowing for a stable connection without sound interruptions even in crowded places (tested at Shinjuku Station). Multi-Point Support and Waterproof Performance Dual Device Connection: Equipped with multi-point pairing, allowing simultaneous connection to up to two devices during wireless use. (However, you cannot listen to music from both devices simultaneously; sound will only output from one.) IPX7 Waterproof: IPX7 equivalent waterproof protection, resistant to sweat, light rain, and humidity in the bath, making it suitable for sports like running and gym workouts. Product Specifications Item Details Bluetooth VV5.0 Supported Codec AAC (iOS only), SBC Playback Duration 8-10 hours Standby Time 300 hours Charging Time Approximately 1-2 hours Communication Distance Approximately 10 meters maximum (line of sight) Waterproof Rating IPX7 CPU QCC3003 Multi-Point Support Design Neckband, In-Ear Color Black