Technical Specification:

Brand: Joyroom
Wearing method: in-ear
Bluetooth: V5.0
Bluetooth audio decoding: HSP/HFP/A2DP/AVRCP
Sensitivity: 92±3dB
Frequency response range: 20HZ-20KHZ
Microphone sensitivity: -42±3db
Headphone capacity: 50mAh
Charging case capacity: 1800mAh
Impedance: 16Ω
Rated power: 3mW
Drive unit: φ6mm
Play time: about 4-5H (70% volume)
Talk time: about 4-5H
Headphone standby time: about 30H
Input: DC 5V-1A
Charge case to earphone: about 11 times
Headphone charging time: about 2H
Charging time of charging case: about 4H
Product material: ABS + aluminum alloy
Net weight: 93g

Features:

Bluetooth V5.0 connection, bring you high-fidelity sound quality and stable performance
Mini size & lightweight, easy to carry, automatically connecting with your phone
With the charging box you can charge the headphones on the go
Built-in microphone for hands-free calling and answering by touching
With ergonomic design, comfortable to wear
Great for running, hiking, cycling, car driving, business occasion, etc, enjoy superb sound quality instantly.