Features:- Playback modes: Bluetooth, Line In, Micro SD / TF memory card- Bluetooth functionality- Memory function, resume playback- Built in lithium battery- Fidelity speakers, making the sound more natural and delicate- Audio input interface- 3.5mm Jack (included)- Built in microphone, can use to

Features:- Playback modes: Bluetooth, Line In, Micro SD / TF memory card- Bluetooth functionality- Memory function, resume playback- Built in lithium battery- Fidelity speakers, making the sound more natural and delicate- Audio input interface- 3.5mm Jack (included)- Built in microphone, can use to answer calls- Supports Mp3 music formatTechnical Information:- Bluetooth: Ver. 2.1 ESR- Transmission distance: 10m- Output power: 3W 3W- Frequency effect: 100Hz - 18,000Hz- Speaker: 4x3W 40mm - Input power: DC5V 500mm- Maximum current consumption: 400mAProduct Dimension:- Weight: 278g- Size: 28cm (L) x 4cm (W) x 5.5cm (H)Package Includes:1 x USB charging cable1 x 3.5mm Audio jack cable1 x Manual