T133-M90-PRO

1. Chip: AB5756T+SY7608

2. Version: 5.4 [Binaural Calls].

3. Operating frequency: 2.402-2.480GHz,

4. Support protocols: A2DP/AVRCP/HFP/HID/AVCTP/AVDTP,and SPP

5. Transmission distance: ≥10M [straight line without obstacles].

6. Response frequency: 20～20000Hz

7. Speaker unit: F8-tuning-4.3-32 ohm-BZ0804-25mm blue and white wire

8. Microphone: 4013 patch microphone-42 ± 3DB

9. Charging input standard: TYPEC DC4.75-5.25V

10.Battery type: 18650-800mah-plus casing plus black and red line 60mm with positive connection 2.0 battery holder-spray code

headset battery 450911-33mah-packed rubber corner plus tin-spray code

11. Charging time: about 1.5H

12. Headphone working time: measured 100% volume continuous playback about 2.5 hours