•Upgraded Bluetooth-compatible 5.0 technology, stable and fast connection •Shock HiFi stereo sound, low latency, bring excellent gaming and music experience •Auto paring after taking out from the charging case and auto re-connect to the phone •Master-slave switching, can be used with one ear or both ears together •Ergonomic design, lightweight and comfortable to wear •With LED light, cool and beautiful •With HD microphone, reduce noise, bring clear calls •The charging case has digital display to show remaining power Specification: Product Parameter Base ParameterProduct ModelX15Master ChipJLPPG Ship6983Waterproof LevelIP4Compatible SystemIOS/ANDROID/WINDOWSSpecial FeaturesAAC LD，5.0 wireless Bluetooth; touch buttonMain FeatureAAC LD, binaural call, high-fidelity stereo music playback; magnetic charging, convenient and fast; multi-function button, easy to operate; one-touch callback function; storage charging bin, lasting battery life; digital displayConnect ParameterBluetooth5.0+EDROther ParameterBattery TypePolymer Lithium Battery Earphone battery capacity30mAhCharging box battery capacity200mAhCharging TypeCharging box USB charging, Earphone magnetic chargingEarphone charging timeAbout 30 minutesCharging box charging timeAbout 2 hoursEarphone life timeAbout 2.5 hoursCharging box chargeable timesAbout 3 timesManipulation Mode TouchThe firmware language EnglishMaterialABSProduct SizeEarphone: 32.9*17*18mm, Charging box: 67.7*43.6*25.9mmPackage included: •1 x Pair of Bluetooth-compatible Earphones •1 x Charging Case •1 x Charging Cable •2 x Spare Ear Tips •1 x English and Chinese User Manual