Type: Bluetooth Speaker Connection: Bluetooth connectivity Interface Type: USB Battery capacity: 400mAH Frequency range: 100-20KHz Output power: 3W SNR: ?75dB Power supply: built-in lithium battery Channels: Mono Playback duration: 5 Extensible Storage: 16GB Bluetooth protocol: 2.1 Speaker: 1 Effective distance: 10 meters Operating mode: the key

• TF Card Music Player
• USB Charging Data Transfer
• Unique Bluetooth acceptable Bluetooth devices, mobile phones, computer audio signal
• Easy to carry, you can enjoy music anytime, anywhere

TF Card Music Playerchenshuokeji