1. 10mm large sound unit, metal composite diaphragm, good sound quality.
2. Highly sensitive microphone, the human voice is delivered smoothly and clearly.
3. Ergonomic design, comfortable to wear.
4. HiFi original sound effects, high-definition audio decoding.
5. Parameters:
- Chip solution: Jerry AD6973D
- Bluetooth protocols: HSP, HFP, A2DP, AVRCP
- Bluetooth version: 5.3
- Frequency: 2.402-2.480Ghz
- Working distance: greater than 10m
- Bluetooth antenna method: ceramic antenna
- Frequency range: 20HZ-20KHZ
- Sensitivity: 103dB 1KHz
-Battery capacity: earphones 30mAh, charging case 230mAh
- Playing time: about 3~4 hours
- Charging box charging voltage/current: 5V 0.5A
- Impedance: 32 ohms
- Rated power: 3mW