Bluetooth Headphones, Liger MH770 High Quality Wireless Stereo Bluetooth 4.1 Sport Headphone with Magnetic Tips, In-Ear Noise Cancelling and Sweat Proof Earbuds, Hands Free Calling and Microphone BLUETOOTH 4.0 TECHNOLOGY: easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; Can connect to 2 phones at the same time, and you will not miss any important calls. MAGNET HEADPHONES DESIGN Hang like a necklace around your neck, and a 10-meter working distance, our sport headphones will let you enjoy music when running, gym, sports & exercise and other activities COMFORTABLE silicone ear tips with adjustable buds. Ergonomic tip design prevents the earbuds from fall out of your ear. NOISE CANCELLATION TECHNOLOGY: with excellent sound effect collection, superior sound isolation, efficiently reduces external noises, and provides steady Bluetooth signal and support stereo APT-X lossless music. LONG-LASTING BATTERY: about 5 hours talking/playing time, 2.5 hours charging time, 200 hours standby with a single charge, so you have less time charging and more time doing.