1IPX4 Waterproof: Its waterproof performance reaches IPX4 waterproof standard, and it is not afraid of sweat attacks even if it is used in severe sports. Great for running, hiking, cycling, fitness, yoga, travel, gym, etc. 2Easy Use Button: With the easy use button, allows skip, play, pause on your music tracks as well as all phone use without reaching your phone. Up to 10m / 33ft range in the open space and 10ft in the obstacles space. 3Quick Pairing: The wireless neckband earbuds can be connected with two devices simultaneously. Super quick pairing with for Android, for iOS and other Bluetooth devices. 4Long Battery Life: The new and improved lithium battery allows seamless enjoyment of music for up to 15 hours and 500 hours stand by and HD call 15 hours. With a fast charge of only 3.5 hours. 5With Noise Cancelling Mic: Neck style stereo sports earphones, quad core 360 surround sound, 9D cinema sound effect, noise cancelling microphone, lower power consumption. Item Type: Wireless Neckband HeadsetMaterial: ABS+SiliconeColour: BlackBattery: 2 x Lithium battery (included), Capacity: 2 x 380mAhBluetooth: 5.0 (effective connection distance 10m / 33ft )Waterproof Rating: IPX4Number of Speakers: 4Parameters: Neck style stereo sports earphones, quad core 360 surround sound, 9D cinema sound effect, noise cancelling microphone, HD calls, long battery lifeThe third generation of Bluetooth 5.0, lower power consumption, lowgame latencySupports simultaneous connection of 2 devices 1 xWireless Neckband Headset1 x Micro USB Charging Cable1 x Manual