Factory modelJH-9100Item Wireless bluetooth in-ear earphoneFunctions Listening quality stereo music. Answering call or redialing last call. Summary Features1Touch control. Next track. Answer/end/reject call.2Convenient one-tap connectivity, gtting rid of complex pairing.3Multi-functions design, either single earbud for business talks or two earbuds for listening high quality stereo music under backgrounds like sports and leisure places, all are excellent.4Long qualtiy-battery life, 5 hours of listening time or 30 days stand-by.5400mAh charging case can provide big capacity charging for earbuds.6High water-proof (IPX5) and special design of earbuds for sports use.7TWS (True wireless stereo) technology, presenting real lossless stereo misic.8Magnetic holder for earbud charging, much easier in handling for charging.Information about earbuds1 Bluetooth version: 5.02Bluetooth rang:6-10M 3TWS (True wireless stereo) technology, compatible with lossless audio formats.4Frequency response: 20HZ-20KHZ5Waterproof rating: IPX56Ergonomic design of silicone ear tips.7Automatic adaptive to corresponding sound tracks for both earbuds.8Operation by: Simply touch9Support for previous/next song.10Phone call via two earbuds.11Automatic shutdown / automatic boot.12Intelligent voice assistant.13Support volume addition and subtraction.14Reminder of battery near to running out..15Earbud battery:50mAh. Lithium polymer battery. 16Earbud battery maximum working hours for call or audio play: 3 HoursInformation about charging case 1Charging case battery:450mAh. Lithium polymer battery. 2One button on/off3Charging case's capacity enough for 5 times of charging for earbuds4USB interface charging5Magnetic holder for earbud charging (easy handling)6Input: DC 5v7 Surface finish (Standard)1Varnish UV2Dull polish Surface finish (More choice)1Black2White3Colors optional4 5 Information about packagingProduct dimensionEarbud:L23*W12*H26mm Charging case:L92*W40*H31mmIndividual box dimensionL134*H80*W52Outer carton dimension41.8*28*32.5CCMPcs/carton60PcsN.W.(Kg)/carton8.77kgG.W.(Kg)/carton9.5kg