
Specification
2 months standby time: A9 built-in 300mAh high-quality polymer lithium battery, can bring up to 2 months of standby time. Charging time only 2-3 hours, listen to music and calls can be 8-10 hours. Retractable arm, suitable for different head size. Stylish and elegant, each component has been carefully considered in the functional materials and details, simple and delicate. Faster and more stable:Use 5.0 chip, reject stuck an d delay to bring you more stable sound experience.


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