Functions: thermal insulation water bottler / listening music
Thermal insulation performance: 6~12 hours
Compatible with Android / IOS systems
Bluetooth version: V3.0
Operating range: 10m
Built in 600mAh polymer battery, working voltage is 3.7V
Charging time: 2 hours
Working time: 4 hours
Wireless Bluetooth transition, subwoofer music sound
Smart hands-free calling, call ID reminding
Support max. 32GB TF card
Thermal insulation performance remain 50'C over 12 hours
Perfect for driving, cycling and other outdoor activities