JOYROOM JR-B01 Wireless Headphones Bluetooth Earphone Single Earbud Handsfree Calling for Phones - Black

• Independent composite diaphragm for high-quality sound

• Bluetooth 5.0 chip, stable transmission without freezing

• Lightweight design, compact body

• Environmentally friendly material, and fit the ear canal, comfortable and natural

• Built-in rechargeable large-capacity battery for long time using

Specification:

• Bluetooth: V5.0

• Bluetooth audio decoding: HSP, HFP, A2DP, AVRCP

• Frequency response range: 100-20KHZ

• Microphone sensitivity: -42±3db

• Headphone battery capacity: 85 mAh

• Impedance: 32?±10%

• Rated power: 2mW

• Drive unit: ?10mm

• Use time: about 6H

• Standby time: about 140H

• Headphone charging current: 80mA

• Headphone charging time: about 1.5H

• Headphone charging input: 3.7V

• Product material: ABS plastic material

• Product net weight: 8g