Bluetooth functionalitymemory function , resume playbackbuilt-in lithium battery, environmentally friendly and practicalusing high-fidelity speakers, make the sound more natural and delicateaudio input 1 interface : standard 3.5 mm headphone jack, can be used for computer speakers, mobile audio and
Bluetooth functionalitymemory function , resume playbackbuilt-in lithium battery, environmentally friendly and practicalusing high-fidelity speakers, make the sound more natural and delicateaudio input 1 interface : standard 3.5 mm headphone jack, can be used for computer speakers, mobile audio and so onbuilt-in microphone, can be achieved mobile voice speaker phonesupport mp3 music format decodesupport usb