Bluetooth version:bluetooth 5.0 technology.
Support:HFP, HSP,AVRCP,A2DP,3.2bits DAC,AAC
Speaker size: 6.0mm（Graphene dynamic)
Battery capacity: 55mAh(Both side).
Battery capacity charge case:500mA
Battery life: hours:26 hours
Stable bluetooth with ultiate capability
Music or talking phone call
Voice assistant activating,Siri compatible.
Sound : use the 6mm Graphene dynamic driver to create a high-level listening experience.
Dual connection,L/R free switching
Auto pairing with light Weight