Sp28 tws e90 mini fones de ouvido intra-auriculares totalmente transparentes sem fio bluetooth fones de ouvido música 5.3 digital retro display d3f6

Feature The LED digital screen clearly displays the capacity of the charging compartment, and the left and right sides also clearly display the power of each earphone, and the time can be controlled as much as possible The earphones are ergonomically designed. Tens of thousands of tests carefully adjusted. Every detail condenses ingenious boutiques to give you a comfortable wearing experience The BT version is upgraded to 5.3, intelligent compatibility in all aspects, efficient connection, better compatibility, low latency, anti-interference, and low power consumption Specification: BT version: 5.3 Frequency response: 20HZ-20KHZ Sensitivity: 42dB+2dB Music time: about 4-5H (80%) volume Headphone battery capacity: 30mAh Charging compartment battery capacity: 200mAh Charging interface: Type-C Speaker unit: 13MM package includes 1*BT headset 1*Instruction manual 1*charging cable