[Bluetooth 5.0 and 3D stereo]: Bluetooth V5.0 is faster and more stable. Bluetooth headsets have made a huge leap in pairing speed and data transmission. With professional Realtek chips and built-in large-caliber speakers, 3D stereo will bring you a new and outstanding experience. | [24-hour extended playback time]: The headset can provide 4-6 hours of listening time or talk time. By charging the charging case with a 650mAh battery, they can even provide more than 24 hours of working time. | [Comfortable and intelligent feeling]: We tested the earplugs with more than 100 unique human ears to create incredible ergonomics and comfort. Each weighs 3.5 grams and fits your ears easily. Supports many functions such as play / pause music, answer / hang up call, next / previous song, etc. | [Powerful compatibility and feel]: The thinnest and smallest wireless headset is compatible with all Bluetooth-enabled devices, such as Apple iPhone X 8 8plus 7 7plus iPad Touch and Samsung Galaxy S7 S8 S8 Plus or other Android device phones. Clear sound, built-in microphone can be used for car or sports hands-free calling, one-button design enables Bluetooth headset to easily switch between voice calls and music. | [IPX5 waterproof and high-quality after-sales service]: Sweatproof, waterproof and rainproof. The ear hook design is very suitable for sports, jogging and gym exercise, watching TV or sleeping. Please ensure that the products you buy are sold by and shipped by Amazon, so that you can enjoy excellent after-sales service and product quality. Note: Please fully charge before use.