Technical Details

Frequency range: 2400MHz-2480MHz
Speakers: 45mm, Driver x 3
Bluetooth version: Bluetooth 4.1
Acoustic range: 20-20,000Hz
Battery capacity: 2600mAh
Battery recharge time: 2-3 hours
Battery duration: 360 hours
Operating temperature: 0 'C-40 'C
Working distance: 10m
Power supply: built-in lithium-ion battery
Charging port: Micro USB charging cable
Speaker impedance: 4 
Maximum output power: 5W
Continuous playback time: 8-10 hours (60% music power)
Supported protocols: A2DP/AVRCP/SPP
Implementation of the standards: Q/WMSX005-2016

bluetooth supports all phones,clock only supports android phone.
 

What is in box?

1 x Xiaomi Music Aralm Clock

1 x Micro USB

1 x User's  Manual