Portable Hanging Bluetooth/stereo Speakers

We are offering our customers a wide range of Portable Hanging Bluetooth/Stereo Speakers, which are available following Specifications :-
Size: 186 x 54 x 76mm
Bluetooth version: Bluetooth V2.1 BC5
Sound track: 2.0
Type: Bluetooth, mini type
Output power: 3 + 3W
S/N ratio: 90dBa
Impedance: 4 Ohms
Interface: Aux, Bluetooth
Sound box control mode: via functional keys
Power supply: 1,500mAh, built-in polymer battery
Frequency range: 90Hz to 20kHz
Speaker unit: 2.04 (outer diameter: 50mm)
Length of audio line: 350mm