Xinji STONE M1 TWS Earbuds:

Feature:

• Surging stereo surround sound

• Smart Touch control operation

• Excellent battery life

• Ergonomic design

• Fashionable appearance design

• Wide compatibility

• Voice assistant

Specification:

• Input Voltage DC 5V±0.25V

• Bluetooth Version V5.3

• Battery Built-in Li-ion Battery (300mAh) for charging case

• Built-in Li-ion Battery (40mAh) for earbud

• Charging time 1.5 hrs

• Talk time 5 hrs

• Stand time 300 hrs

• Play time 8 hours（at 60% volume）

• Speaker Impedance 32Ω±15%

• Driving unit 10 mm

• Distance 10 meters

• Frequency 20HZ-20KHZ