Avantree Superb Sound Dual Driver Hi-Fi Bluetooth 4.1 in Ear Earbuds/Earphones, for Musician Ear, AptX Noise-Isolation Wireless Headphones with Mic - Clari Air The smartest way to listen to your favorite tunes on the go, without missing any important calls. The neat fit behind-the-head design eliminates troublesome wires tangling during your workout. Long working time, whether you're out for a quick jog or running a marathon, you won't run out of juice. Hi-fi stereo sound for music and crystal clear for talk, compatible with all Bluetooth-enabled devices. Light (23g), secure and safe.12 months quality warranty for normal use from Avantree directly Bluetooth V4.1 Support profiles: HFP, HSP, A2DP, AVRCP Operational range: Class 2, 10 meters Play time: Up to 5 hours Charging time: about 2 hours Weight: 320g Bluetooth stereo headset - Avantree Clari Air Micro USB charging cable Hard case Silicone ear buds and memory foam ear buds