1. Bluetooth 4.1 chip, low power consumption, faster connection.
2. Built-in DSP noise reduction technology, dual noise-reducing sensitive microphone, the caller voice is clearer.
3. Anti-sweat structure design, effectively extend the life of headphones.
4. Mini-small, it looks like invisible when worn, no sense of presence.
5. Compatible with mainstream Bluetooth-enabled mobile phones, computers and tablet devices.

Product specifications:
1. Bluetooth version: V4.1.
2. Transmission distance: 10m.
3. Frequency: 2402-2480GHz.
4. Microphone sensitivity: -40+/-2dB.
5. Talk time: About 5 hours.
6. Music time: about 6 hours.
7. Charging time: about 2 hours.
8. Headphone battery capacity: 60mAh.
9. Standby time: About 100 hours.
10. Single earphone weight: about 5g.
11. Single earphone size: approx. 15mm.