Special highlight:  LED digital battery value display, you can know the remaining power of the earphones and charging box at any time  Super mini size, eazy to carry  With ultra-low latency game mode, transmission delay below 65ms makes you immersive  Graphene bass diaphragm, HIFI high-frequency technology, 10mm dynamic speaker unit  5.0 automatic boot pairing, built-in active noise reduction IC, HD call,5.0 bluetooth game without delay  300mAh large capacity dual lithium battery, faster charging, longer lasting battery, can be used as an emergency charging treasure.  Wireless Bluetooth 5.0 connection, stable and fast signal transmission.  Touch to summon Siri and Android Assistant to make your life easier.  Binaural fingerprint touch bass surging  HD noise reduction call Specification: • Material: High quality material • Earphones battery capacity: 50mAh/ 3.7V • Wireless version: V5.1 • Wireless profile: A2DP/HFP/HSP/AVRCP • Music time: ~5 hours (earbuds) • Charging time: 2 hours • Bluetooth distance: about 10 meters • Standby: 200 hrs • Earbuds battery: Polymer 50mAh/3.7V • Colour: Black only • Fitment: Universal