Ergonomic design for comfortable, pain-free wear during long periods and strenuous activities like running. Hybrid active noise reduction technology for immersive music experience and clear call performance. New low-power Bluetooth-compatible chips for easy, fast connection, extended battery life, and stable signal. High-quality music with clear and excellent sound quality for an immersive listening experience. Intelligent noise reduction to effectively avoid interference, providing HiFi stereo sound. Item Name: Headset Material: Plastic Features: Versatile, Convenient, Durable Bluetooth-compatible Solution: Jerry 6955F5.0 Battery: 200 MAh Speaker: 40mm 24Ω Rechargeable Battery: 3.7V/200mAh Usage Time: 7 Hours Functions: Foldable, Adjust Volume, Switch Songs, Answer Incoming Calls And Reject Calls, Hang Up Calls, Bluetooth-compatible Playback, Hands-free Calls, Call Replay, Bluetooth-compatible Reconnection, Voice Prompts, Battery Display, Pure English Broadcast, Automatic After 5 Minutes of No Connection Shut Down Size Details: L: 20cm/7.87", W: 17cm/6.69", H: 8cm/3.15" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Headset 1 x Charging Cable 1 x User Manual