Wireless Bluetooth Headphones, BestOnly Magnetic Neckband Headset Sport Running in-Ear Earbuds, Noise Cancelling Sweatproof Stereo Earphones with Mic, Black/Red

Hassle-free calling built-in HD microphone transmits crystal clear voice for hassle-free conversations. you can easily control multifunction like music and calls via the button on the Bluetooth earphones. most advanced wireless Bluetooth technology two devices connected to the headset at the same time. latest Bluetooth technology keep Bluetooth headset easy and fast seamless syncing with Bluetooth device up to 33Fts away. voice notification of incoming calls and phone numbers, so never miss a phone call for driving exercise, running, climbing, driving, skating, camping, fishing, and other outdoor sports. specification: working range: 33feets(10meters) working time: 8h?music?/9h(talking) charging time: 1. 5H standby time: about 300H battery: 3. 7V/170mah(polymer rechargeable battery) packageincluding: 1xbluetoothheadphones 1xmicrousbchargingcable 1xusermanual 2xearbudtips Included Components: 1*bluetooth headset;1*chargeing cable etc.