Portable bluetooth speaker, Bluetooth 4.2 and EDR wireless transmission integrated, working distance of up to 10 meters 2200 mAh high capacity lithium batteries, standard USB charging port, longer life more durable With time clock and dual alarm function, no worry about being late High definition mirror screen, convenient for making up when listening to music Supports MP3 player and other external audio equipment Supports hands-free function, integrated microphone, with clear and highly sensitive voice calling function Compatible with FM digital stereo radio, radio transmission memory Support TF, USB music playback Support LCD screen, can Display Battery indicator, temperature Specification Bluetooth version: V4.2 Transfer distance: andlt 10m Output Power: 3W x 2 Power supply: 3.7 V 2200 mAh Function: Bluetooth, line input, TF, USB, FM, clock, time, battery indicator, temperature Size: 140x50x80mm Press the last song and the buttons of the next song at the same time to turn off the alarm. Compatible with: iPhone, Samsung, Huawei, Xiaomi, Sony and other Bluetooth-enabled devices <br or >