Digital Display Sports In-ear Waterproof Wireless Bluetooth Headset

Product information:
Color: black suit, white whole set, pink suit
Bluetooth version: V5.0
Supported protocols: HEP/HSPA2D/AVRCP
Chip: Zhongke Lanxun 5616
Material: ABS
Speaker: real copper ring 13mm
Communication Distance: 10 meters (barrier-free environment)
LED blue light three display (touch)/automatic matching
Wearing method: in-ear
Earphone battery: polymer lithium battery/voltage 3.7V/capacity 40mAh
Charging bin battery: polymer lithium battery/voltage 3.7V/capacity 350mAh
Standby time: About 100H (hours)
Charging time: About 1H (hours)
Music and phone calls time: about 3.5-4H (hours)