New Bluetooth Headset In Ear High Power Super Long Standby Business Sports Features 1. Wraparound mounting ear design: ergonomics, long-wearing, painless skin-friendly material + ergonomically designed ear bones for comfortable and long-lasting wear. 2. IPX5 waterproof level, so you no longer worry about rain and sweat, fearless, more free 3.Stable transmission: Bluetooth 4.1, signal stability, a new generation of low-power Bluetooth 4.1 chip signals are more stable and faster. 4.The 180 rotating earpiece is free to wear a 180 rotating earpiece, which can be freely converted to the left and right ears and the angle of adjustment is no longer restricted. 5.The hard-core Bluetooth 4.1 chip rejects the Karton delay built-in high-resolution decoder, allowing the signal to be more powerful and farther away, high-speed transmission, and playing games to watch movies with 0 delays. Specificaties: Bluetooth: V4.1 Working distance: 10 meters Waterproof rating: IPX5 Battery display: support (iOS and most Android phones) Batterij-indicator: Lithium Polymeer Batterij Headphone capacity: 300 mAh Music playback time: about 16 hours (music volume will affect time) Call time: 20 hours Volume size affects time Charging time: 1.5 hours Support mode: compatible with all Bluetooth versions Sound: HD voice quality Wearing method: wearing ear hanging Boot automatic matching: support package includes: 1 PC Bluetooth headset 1 PC charging cable 1 PC ear hook 1 PC accessory ear 1 PC earmuffs