1、[Wireless 5.0 and compatibility] BT5.0 connection can achieve faster transmission speed, longer transmission distance, lower power consumption, more stable data transmission, strong compatibility, suitable for almost all BT-enabled devices. 2、[Long battery life] Built-in rechargeable battery for long battery life. It only takes about 1.5 hours to charge, and it can be used for about 5 hours continuously. 3、[Open wear] Open wear, no ears, no pain for a long time. Protect ears, conduct air, and surround directional sound field. 4、[Foldable] Titanium alloy memory steel wire frame, not afraid of folding, bending storage. It is small in size and takes up almost no space. It is convenient to put it in bags and so on. 5、[Built-in microphone] Wireless communication can be realized. The built-in microphone makes it easy to receive calls while driving or reading a book. Overview: The headphones use BT5.0, which can achieve faster transmission speed, longer transmission distance and lower power consumption. Painless, comfortable to wear, waterproof design, outdoor riding, stress-free exercise. A variety of colors to choose from, bringing you pleasant music enjoyment. Features: [Wireless 5.0 and compatibility] BT5.0 connection can achieve faster transmission speed, longer transmission distance, lower power consumption, more stable data transmission, strong compatibility, suitable for almost all BT-enabled devices. [Long battery life] Built-in rechargeable battery for long battery life. It only takes about 1.5 hours to charge, and it can be used for about 5 hours continuously. [Open wear] Open wear, no ears, no pain for a long time. Protect ears, conduct air, and surround directional sound field. [Foldable] Titanium alloy memory steel wire frame, not afraid of folding, bending storage. It is small in size and takes up almost no space. It is convenient to put it in bags and so on. [Built-in microphone] Wireless communication can be realized. The built-in microphone makes it easy to receive calls while driving or reading a book. Specifications: Product Type: Wireless headphones BT version: 5.0 With microphone: Yes Operating distance: up to 10m (unobstructed distance) Frequency response: 20-20000 Hz Impedance: 32Ω Battery capacity: 120mAh Color: black, red, gray (optional) Material: TPE Talk time / music playback time: about 5 hours Standby time: 120 hours Charging time: about 1.5 hours Package Size: 15 * 10 * 5cm / 5.91 * 3.94 * 1.97 inches Package Weight: 200g / 7.05oz Package List: 1 * Headphone 1 * Charging Cable 1 * Headphone 1 * Charging Cable