EF-0018 (PEARL)
- BT version: 5.0
- Wireless range: 10meters(without barrier)
- Frequency range:20Hz-20Khz
- Playback / Talk time : up to 4hrs(med. vol.)
- Standby time: up to 80Hours
- Battery: Li-polymer 40mAh(Earphone); 250mAH(Case)
- Working Voltage:3.0V-4.2V
- Colour: Black
- 1year limited warranty
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