Highly sensitive V8 accept V5.0 provides stable and uninterrupted connection of the devices up to 10 M. Enjoy reliable and trouble-free audio signal transmission. Lossless HD rendering technology delivers first-rate excellent sound quality with stunning crystal sharpness and all-round isolation.
Bluetooth range:10-15 meters
Talking time:4- 5 hours
Battery Charge Time: About 1 hour
Battery：40mAh x 2earbuds