NASA Buds 4 Pro 48dB Noise Cancelling Bone Sensor Wireless Earphone (Black)

1. 48dB 4000Hz ultra-wideband intelligent dynamic noise reduction

2. 11mm dual magnetic dynamic unit, HiFi sound quality

3. LHDC 4.0 transmission protocol, support 96KHz high-definition audio

4. Bone voiceprint sensor, 3 microphone noise reduction

5. Built-in six-axis sensor, intelligent recognition, bringing 360-degree stereo surround sound experience

6. 38 hours long battery life (with the charging case)

7. Ergonomic design, comfortable to wear

8. Pressure-sensitive operation, quick response, and support for voice control

9. Support simultaneous connection of multiple devices

10. IP54 dustproof and waterproof

Product parameters

1. Wireless connection: Bluetooth 5.3

2. Communication distance: 10m (barrier-free)

3. Bluetooth protocol: Bluetooth Low Energy/HFP/A2DP/AVRCP

4. Bluetooth codec: SBC/AAC/LHDC 4.0

5. Frequency response range: 20Hz-40kHz

6. Battery capacity: Headphone: 53mAh, Charging case: 565mAh

7. Wireless charging: support Qi wireless charging protocol

8. Charging port: Type-C

9. Headphone input: 5V 280mA

10. Charging box input: 5V 2.3A

11. Charging box output: 5V 560mA

12. Music time: 9 hours (noise reduction off), 5 hours (deep noise reduction)