Sound Bar -Wireless Bluetooth Speaker Subwoofer Speaker Sound Box Blue Highlights Generic Brand Wireless Bluetooth Speaker Subwoofer Speaker Sound Box Blue Description: Bluetooth 4.2 connectivity: 360 stereo, hands-free calling , AUX interface, TF card playback, perfect compatibility ABS plastic surface, perfect casting, extraordinary texture, fashion trends. Built-in 600MA Battery: A rechargeable lithium battery plays your favorite songs for a long time on a full charge. With 52mm 4 3W full-range speakers, and equipped with super bass diaphragm, independent speaker cavity, the perfect interpretation of any type of music Built-in microphone accepts hands-free calls through the speaker . Suitable for car, bedroom, laundry room, kitchen, office, conference, business trip, vacation, etc., suitable for all kinds of hobbies. Support Memory Expansion: Allows you to expand the TF memory card up to 32G with the built-in micro TF card slot which allows you to listen to more favorite songs. specification: Function: Bluetooth playback, hands-free call, TF card playback, U disk playback Material: ABS+silicone Plug type: TF / USB / LIN IN / MICRO Power mode Built-in lithium battery / micro charging port usb Product size: 8.3cm x 8.1cm x3.4cm Bluetooth version: 4.2 Channel mode: 2.1 Playback format: MP3 / WMA / WAV Speaker specifications: 52 magnetic 13 external Distortion rate: 1.0% Bluetooth distance: effective transmission distance 10M Extended memory: 32GB capacity Frequency response: 20-20KHz Signal to noise ratio: 80db Charging parameters: 5V 0.3A Playing time: 4-8h Speaker specifications: 52mm 4 3w Battery capacity : 600mA lithium battery Package includes: 1 x Bluetooth speaker 1 x USB charging cable 1 x 3.5mm audio cable 1 x packing box