Wholesale V5.1+edr Bluetooth-compatible Headset
2021-10-7u2002·u2002Speaker model: φ13. Round horn. Speaker size: φ13mm. Impedance: 320Ω. Rated power: 3mW. Maximum power: 5mW. Frequency response: 20hz-20Khz. Charging time of the charging box: 1.5-2 hours. The number of times the charging box is charged for the headset: 3 times
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