Magnetic In-ear Headset Wireless Stereo Bluetooth 4.2 Music Car Sports Headset Features: magnetic attraction design: The back of the headset is designed with magnetic attraction design, which can automatically absorb as soon as the back of the headset is close to each other, providing an- for carrying. Small size and large energy: the built-in strengthened lithium battery can bring 300 songs to listen to full charge. It can be used for hour every day, and- needs to be charged once a week. Say goodbye to frequent charging. Exercise to sweat: The surface of the headset is treated with baking varnish to effectively sweat from entering the interior, whether you are leisure or sports, you can enjoy music at any time. High-definition voice call: It has excellent noise cancellation technology, which optimizes the quality of input voice before output, significantly improving the definition of ordinary microphone. Smart one-to-two: It supports connecting two mobile phones at the same time, switching-, not missing any call, playing games to- calls easily without delay. Product Description: Specifications: Bluetooth Version: 4.2 Support: A2DP, AVCTP, AVDTP, AVRCP, HFP Working Distance Range: 10m Frequency Responce: 20-20KHz Impedance: 16Ω Sensitivity: 94db+-3db Battery: 3.7V / 60mAh (350926) Charge Time: about 2 hours Standby Time: about 100 hours Talking Time: 2.5-3 hours Music Time: 2.5-3 hours (The music volume will affect the time) Charge Port: Micro USB Cable Length: Approx 67cm Package List: 1 x BT Headset 1 x USB Cable An immersive sound experience that puts you in a sea of music, feeling every note bounce around Comfortable, you won't feel uncomfortable when wearing them for a long time, so you can enjoy your music anytime and anywhere. Great quality materials to create sturdy and durable headphones, so you don't need to worry about damage. Multi-functional design, support Bluetooth and wired connection, meet your different listening needs. Outstanding noise reduction effect, allowing you to listen to music quietly even in a noisy environment.