New100%Original Xiaomi Small Steel Gun Wireless Bluetooth 4.0 Speaker Portable Hands-free? Speakers For Android Cell Phone
1. Bluetooth version:
????? 2.Effective distance: 10M
???????????????????????? 3.Power supply mode: built-in battery?
??????????????????? 4.Frequency range: 2.4GHZ-2.48hz
???????????????????????????????????????? 5.Support audio protocol: A2DP, AVRCP, HSP, HEP
??????? 6.Call time: About 13 hours
??????????????????????? 7.Music playback time: About 12 hours
?