Alarm Clock with Speaker

Power supply: built in Li Battery
Charging port：type-c
Working time：about 6 hours（medium volime）
Audio：
Speaker size：Φ45MM
Output power：5W
Passive diaphragm：Φ40MM*1
Wireless transmission：
Version：V5.0
Support protocol:A2DP,AVRCP,HFP,HSP
Transmission rang：over10 meters（30 feet）
Wireless frequency band：2.402-2.480GHZ,ISM OTHER
INTERFACE:AUX-IN,MICRO SD CARD,USB,DC5V1A OUTPUT
PRODUCT SIZE:130*90*68.5MM
PRODUCT WEIGHT:ABOUT 358G