1. BT version: 5.3
2. Battery capacity: 800mAh; Charging time: 3 hours
3. Usage time: 130 hours of music, 100 hours of calls
4. Material: PC+silicone+aluminum alloy
5. Earphones length: 78.5cm; Weight: 55g
6. Waterproof level: IPX4
7. 10 minutes of charging – can be used for 10 hours (music)
Product name: ACEFAST N4 neck-hanging wireless earphones.
BT version: v5.3.
Transmission distance: 10m.
Driver: 10mm.
Frequency response: 20Hz-20kHz.
Battery capacity: 800mAh.
Input: DC5V⎓1A (USB-C).
Charging time: 3 hours.
Working time: Music playback time of 130 hours (at 60% volume), continuous talk time of 100 hours (at 60% volume), standby time of ≥300 hours (in connected but non-playing state).
Size: Total length – 78.5cm.
Weight: 55g.
Waterproof rating: IPX4.
Feature 1: LED digital display of volume and power level.
Feature 2: Support TF card playback.
Feature 3: 130 hours of continuous music playback.
Feature 4: Magnetic absorption design.
Feature 5: USB-C fast charging, 10 hours of work from 10 minute charge.
Feature 6: Skin-friendly silicone ergonomic design.
1. Bluetooth: 5.4
2. Battery capacity: 300mAh; charging time: 1 hour
3. Usage time: 60 hours of music, 50 hours of music (ANC); 45 hours of calls
4. Maximum noise reduction depth: 30dB
5. Material: PC+silicone
6. Earphones length: 103cm; weight: 37g
7. Waterproof rating: IPX4
8. It can be used for 15 hours after charging for 10 minutes (music)
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