Model: XO-X36 Bluetooth version: Bluetooth Y5.4 Standby time: About 190 hours Charging compartment battery: 300mAh Color: White Headphone battery: 30mAh*2 Call time: About 3 hours Charging time: About 1.5 hours Music time: About 4 hours (80% volume) Maximum transmission power: +9DBm Product size: 45*61*23mm Operating frequency: 2.402 GHz-2.480 GHz Support protocol: A2DP, AVRCP, HSP, HFP Package size: 100*100*45mm