Speakers - Universal - Mini Wireless Speaker 400mAh Cute Portable Audio Helicopter Music Stereo Surround Sound Outdoor Speaker Wireless Audio Subwoofer | Portable Speaker (Blue) Highlights Universal Mini Wireless Speaker 400mAh Cute Helicopter Portable Audio Music Stereo Surround Sound Outdoor Speaker Wireless Audio Subwoofer | portable speaker (blue) Mini Wireless Speaker 400mah Cute Helicopter Portable Audio Stereo Sound Sound Sound Subwoofer Speaker Wireless Audio Audio | Portable Speakers (Blue) Material: ABS Engineering Plastics + Silica Gelbuilt-in Battery: 3.7V to 4.2V 400 Mahcharge Current: 5 Where V0. 8 A (max) is about 1.5 measurement time: Micro-5 V1A USB aperture interface interface: 2 W or Grazing reduction points: more than 6 hours Bluetooth Version: 5.0 transmission Distance: > 50 mvolume: external potentiometer / mobile phone (both can synchronize the volume) Frequency response: 80 Hz - 20 khzhorn Specification: 4 3 WSITABLE area: 10 m or less SquaredProduct Size: 71 * 54 * 68 mmProduct Weight: 120 GPacking Size: 92*90*60mmPacking number: 60Function: Long press the button, open the speaker power, blue lights flashing, into the pairing mode, open the Bluetooth mobile phone, find matching J09 to success, blue light normally on.1, Bluetooth play function: related function operation on mobile phones.Peakers Pause and Play function buttons.2, each phone Phone functions: two-way voice calls.Be rotation of the FUSELAGE button can manually adjust the output volume (clockwise). , can also directly on mobile devices such as volume adjustment Blue color