E553BT Audio series Bluetooth earphone

Chip: JL7018F8 Wireless Version: V5.3 Battery: 110mAh Play Time: about 16.5h (60% vol.) Talk Time: about 9.5h (60% vol.) Charging Time: about 2h Charging Port: Type C | Speaker Size: Φ15mm Charging Case Dimension: Buds Dimension: Buds Net Weight: Charging Net Weight: Wireless Working Range: 10M(without obstacles) Profiles Supported: Audio code: Speaker Size: Φ15mm Speaker Frequency: 20Hz~20kH Sensitivity: 20Hz~20kHz Impedance:Input Voltage / Current: 5V/110mA