Colour:Black
√ Built-in 3.5mm audio port for wired or Bluetooth 4.2 wireless connectivity
√ Playback time: up to 18 hours wired Bluetooth wireless connection
√ Speaker driver: 40mm
√ Charging time: 2-3 hours
√ Connection range: 33 ft
√ Operating frequency: 2.4-2.48GHz
√ Battery: Built-in rechargeable 5V 2000 mAh lithium-ion battery
√ Unit weight: 6 oz
√ Dimension : 7 x 2.5 x 1.7 "
√ Speaker driver: stereo, 40MM, 4Ohm
√ LF diaphragm dimension: 25*40 MM
√ Signal-to-Noise Ratio: ≥80db
√ THD+N : ≤ 1%
√ Large speaker cavity inside for excellent sound effect
√ Passive subwoofer inside delivers outstanding bass
√ Battery status can be displayed on iPhone
What's in the box
√ LINGYI V9 Portable Bluetooth 4.2 Stereo speaker
√ User Guide
√ USB Charging Cable
√ 3.5mm Audio Cable
LINGYI Outdoor Portable Bluetooth Speaker | 18-Hour Playtime | 33-Foot Bluetooth Range | Built-in Mic | AUX Line & TF Card slot | HD Sound and Bass (Rose gold) - B078JBS4JJ