BT 5.0 earphone is designed for you to listen to music and answer calls help to do more important things. Superb microphone and speaker, hands-free function and mini design. Buy and enjoy your joyful life with us.<br/>Features:<br />Up to 300mAh high capacity chargeing box can work well to the earphones when be fully charged, nice storage box for earphones, portable and space-saving.<br />Wirelessly dual ear stereo design. Both left and right earbud are BT 5.0 connected enable. <br />Multifunctional for helping you to play/ pause/ change song/ volume &#43; -/ answer &amp; end &amp; reject phone call/ incoming phone call reminder/ operation phone reminder/ Compatible with IOS system cell capacity display/ voice assistance/ master-slave changeable<br />Advanced true wirelessly stereo BT5.0 technology ensures you perfect connection with all BT enabled devices in long distance without interruption.<br />Be compatible with most cell phones, thoughtful design.<br />Indicator lamp design informs you electricity situation.<br />Equipped with USB cable, convenient to be charged by USB port, it can be charged with adapter, computer, laptop etc.<br/>Specifications:<br />BT Version: 5.0&#43;EDR<br />BT Transmission: A2DPAVCTPAVDTPAVRCPHFP<br />Transmission Distance: up to 10m (no obstacle)<br />Cell: Earphone: 1 * 3.7V /70mAh Both Side; Chargeing Box: 1 * 3.7V / 300mAh<br />Working frequency: 2.402GHz-2.480GHz<br />Transmission consumption: CLASS2 3DB<br />S/N&#xff1a;≥100dB<br />Speaker size and impedance: ⊙ 10mm, 32 Ω<br />Earbud chargring current &amp; voltage: 60mA / D C 4.8-5.3V<br />Working current: 12mA<br />Music playing hour: about 6-7 hours<br />Calling hour: about 6-7 hours<br />Standby hour: 140 hours(based on its working situation)<br />Chargeing hour of earbud: about 1 hours<br />Chargeing hour of chargeing box: about 2 hours<br />Material: ABS<br />Chargeing port: USB<br />Color: Black<br />Package Size: Approx. 97 * 97 * 34mm / 3.8 * 3.8 * 1.3inches (Length * Width * Height)<br />Package Weight: Approx. 95g / 3.4ounces<br/>Package List:<br />1 * Pair of Earphones<br />1 * Chargeing Box<br />1 * Micro USB Cable<br />2 Set * Different Size Earmuffs<br />1 * Instruction