HWTWS01
Chip: JL6973D4 Bluetooth: V5.3 10 meters bt connection Loudspeaker: 13mm/32Ω Earbud battery: 38mAh Case battery: 300mAh Playtime: 4-5.5 hours Call duration: around 5 hours Auto pairing Multifunctional touch control High definition calling Type C 5V/2A input