Based on more big data analysis and human engineering design｣ｬ the size is smaller｣ｬ and the weight is lighter｣ｬ more comfortable to wear｣ｬ more suitable for any occasion like sport｣ｬ business｣ｬ travel｣ｬ work｣ｬ gym <br /> By Wireless Split Technology｣ｬ the left earphone can communicate the right earphone without any wire｣ｬ the two earphones can be used simultaneously｣ｬ also one of them can be used separately  <br />Built-in  battery capacity 85mAh rechargeable lithium battery｣ｬ it can support playing music for 4- 6 hours with two earphones . The battery can be fully recharged in 2 hours; with 1500mAh charging case｣ｬ When the earphones are not working｣ｬ the charging case can carry the earphones fitly and charge the earphones quickly｣ｬ charging anytime｣ｬ enjoying music anytime <br />Adopt Bluetooth CSR 4.2 technology｣ｬ built-in CVC 6.0 Noise Cancelling technology｣ｬ Built-in superior  microphone｣ｬ provide clear and loud music experience <br />Wireless Version: 4.2<br />Supports A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/DI1.3<br />Chipset: CSR <br />Charging by specified charging cradle｣ｬ built-in magnet｣ｬ magnetic type charging<br />Wireless range: one for about 15m｣ｬ and a set for about 10m<br />Work time: about 4- 6 hours<br />Standby time: about 120 hours<br />earphone Battery capacity: 85mAh <br />charging case  Battery capacity :1500mAh <br />Charging time: 2 hours <br /><br />Pairing steps: <br />1. Press and hold the MFB button of one earphone for 2 seconds until red light flash <br />2