Lenovo EA419 Open Ear Clip-On True Wireless Bluetooth Earphone(Gold)

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Features:1. Ergonomic ear clip design for a secure and comfortable fit.2. Bluetooth 5.3 chip for a more stable connection and lower power consumption.3. ENC call noise reduction effectively reduces ambient noise interference.4. Supports 360-degree surround sound for an enhanced listening experience.5. Long battery life to meet daily usage needs.6. Supports touch operation for easy use.7. Multi-device compatibility, compatible with mainstream systems.Parameters:1. Earphone dimensions: 27 x 22 x 27.4mm / 1.06 x 0.87 x 1.08 inches2. Earphone battery capacity: 35mAh3. Earphone rated input: 5V/35mA4. Speaker unit size: 10mm5. Wireless version: V5.36. Working distance: Less than or equal to 10 meters7. Charging case dimensions: 64.6 x 51.6 x 31mm / 2.54 x 2.03 x 1.22-inch screen8. Charging case battery capacity: 400mAh9. Charging case rated input: 5V/400mA10. Signal-to-noise ratio: Greater than 90dB11. Microphone sensitivity: -42dB+/-3dB12. Frequency response: 20Hz-20KHz