**Product Details:**
**A9 Pro Touch Screen ANC Wireless Headset - TWS Noise Cancelling Earbuds Bluetooth 5.4**
**Features:**
- **Model:** A9 Pro ANC 5th Generation with Smart Screen
- Advanced features: ANC (Active Noise Cancellation), dual-mark ENC, and in-ear light sensing detection.
- **Color:** White
**Specifications:**
1. **Chip:** Jerry 7003D8 with noise reduction and light sensing in-ear detection.
2. **Bluetooth Version:** 5.4 (Supports binaural calls).
3. **Working Frequency:** 2.402-2.480GHz.
4. **Supported Protocols:** A2DP, AVRCP, HFP, HID, AVCTP, AVDTP, SPP.
5. **Transmission Distance:** Up to 15 meters (barrier-free).
6. **Response Frequency:** 20～20000Hz.
7. **Speaker Unit:** ΦF13 titanium film, 32Ω±15%, 7.118±3dB 5mW.
8. **Microphone:** 2718 silicon microphone -42±3dB.
9. **Charging Input Standard:** Contact charging, DC4.75-5.25 V/600mAh.
10. **Battery Type:** 3.7V polymer battery, 500mAh with protection board (3C fast charging), headset battery 30mAh.
11. **Charging Time:** 1 hour.
12. **Working Time:** Up to 5.5 hours of continuous play at 100% volume.
Experience superior sound quality and noise cancellation with the A9 Pro ANC Wireless Headset. Perfect for seamless audio enjoyment and long-lasting battery life, these earbuds are designed for those who demand the best in wireless audio technology.