• Newly upgraded version 5.1, no interference and smooth connection. No fear of high-speed transmission in any environment, the signal is more stable, the power consumption is lower, and the transmission is faster
• Lightweight semi-in-ear design, light and stable, natural and non-sensing to wear, no matter how large the range is, it still fits firmly
• Type-C interface portable universal fast charging, no positive or negative, safe and stable fast

Specifications:

• Bluetooth-compatible Chip: JL6983D4
• Bluetooth-compatible Version: V5.1
• Transmission Distance: 10m
• Working Frequency: 2.402-2.480GHz
• Earphone Battery Capacity: 30mAh
• Charging Box Capacity: 220mAh
• Charging Box Charging Time: About 1-2H
• Music time: About 4H
• Call Time: About 3H
• Standby Time: About 30H
• Input voltage: DC 5V