Anker soundcore Sleep Earbuds 4 Pro: Tech Specs
| In-Ear PPG Sensor | 100 Hz sampling rate |
|---|---|
| Active Noise Cancellation | 30 dB |
| Mid-Range Noise Reduction | 3-5 dB improvement over Sleep Earbuds 4 |
| Bluetooth Version | 6.0 |
| Weight | 0.1 oz (3 g) per earbud |
| Charging Case Display | AMOLED touchscreen |
| Wireless Charging | Yes |