1, 8D surround sound, 5.0 dual ear chips, large capacity, real wireless Bluetooth headphones 2, Graphene bass diaphragm, HIFI high frequency technology, 10MM dynamic speaker unit 3, Two connection methods: one / double free use, single ear listening to play alone, hi-fi stereo listening to both ears. 4, 5.0 automatic boot pairing, built-in active noise reduction IC, HD call. 5, 5.0 Bluetooth game without delay, the electric cabin can be used as a mobile phone bracket mobile phone emergency power supply, multifunctional use.