W-KING S4 speaker delivers impact wireless audio by Bluetooth wireless technology. It's perfect companion to any phone, music player, tablet or laptop, allowing you to enjoy music whenever you want.

• 3D stereo sound, lets you enjoy high quality music

• Bluetooth 4.1 connection, fast connection and energy-saving consumption
  

• Built-in microphone, support Bluetooth hands-free call

• Functions: power on/off, play/pause, next/previous track, volume up/down and answer/hang up phone calls

• Support FM radio and streaming music from TF card (not included)

• With 3.5mm audio port, easily connect with non-Bluetooth audio devices for music enjoyment

• Mini portable design with included woven lanyard, perfect for outdoor travel use

Specification:

• Model: S4

• Material: ABS + TPE
  

• Bluetooth version: V4.1 Class II

• Bluetooth protocol: A2DP V1.2, AVRCP V1.4

• Working distance: 10m

• Speaker unit: F 50mm 4O

• Maximum output: 3W

• Channel: Dual channel

• S/N: =80dB

• Frequency range: 1600Hz - 20KHz

• Distortion THD: =1%

• FM frequency range: 87MHz - 108MHz
  

• Battery: Lithium battery, 3.7V/600mAh

• Charging voltage/current: 5V/500mA

• Charging time: 1.5± 0.5 hours
  

• Working time: 4-6 hours

• Waterproof level: IPX6
  

• Size: 92.5 x 33 x 84mm

• Certificate: CE
  

Compatible with:

• iPhone iPad iPod Samsung Sony Huawei etc. smartphones and tablets with Bluetooth 4.1 version or above

• Other devices with 3.5mm audio port