Overview:
Superior technology means superior sound: Experience top-shelf sound quality and bask in its incredibly powerful bass, crisp mid-highs, and crystal clear vocals, and have your own personal bubble that encompasses you in premium acoustics.
Never-Drop Design-Ergonomic and never-drop design. Ultra light-weight with silicone earbuds guarantees comfortable wearing for a long time.
Back-Up For Your Devices
IT with a massive 2000mAh capacity battery, the charging case can provide additional charging power for your smartphone or other mobile devices. It��s a reliable emergency power supply in times of need.

Specification
Size: 11.3 cm * 9.2 cm * 4.5 cm
Weight: about 120g-140g
Color: F9-5 digital black, F9-5 digital white
Transmission range: 10 meters
Function: battery display, voice control, call function, support music, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
Bluetooth version: 5.0 (Binaural call)
Support protocols: A2DP, AYRCP,
HCEP, HSP, SPP
Operating temperature: -10 ��-55 ��
Charging voltage: 5V- 500MA
Headphone speaker: �� 8mm
Headphone battery capacity: 50MaH
Storage box battery capacity: 2000MaH
Transmission distance:> 10m
Talk time: 4-5 hours
Playtime: 4-5 hours
Headphone charging time: 1 hour
Storage box charging time: 2 hours
Support system: all Bluetooth-enabled devices and hands
machine