258B Light-weight Bluetooth CSR V4.1 Stereo Speaker with Built-in Microphone AUX Port 258B Stereo Bluetooth Speaker， support cell phone call or receive via built-in microphone， allows you to stream music from Bluetooth-enabled devices such as cell phones， PDAs， MP3 players， PCs and laptops.

Highlights:
● Bluetooth specification: CSR V4.1， compatible with V4.0， V3.0， V2.1， V2.0， V1.2 and V1.1
● Chip: CSR BlueCore 8
● Portable and simple: Make you enjoy your music which via bluetooth or 3.5mm audio cable
● Convenience to control: Volume up / down buttons， play / pause button and On / Off switch
● Offer a wireless connection range of 10 meters ( 33 feet )
● Bluetooth V4.1 is adopted to ensure the speaker is connected in a fast and easy manner， and you can hear the voice clearly without interference
● Wireless: Avoid hassle of tangled wires， enjoy your life easier.
● The Bluetooth speaker can be applied to a variety of Bluetooth cell phones and auxiliary devices such as MP3 / MP4 / PC etc. Model: 258B
Design: Cool，Portable，Stylish，Fun
Compatible with: Tablet PC，MP4，MP3，PC，Mobile phone，MP5，Laptop
Supports: Bluetooth，Hands-free Calls，Volume Control，Loudspeaker
Functions: Stereo，AUX Function，Songs Track
Connection: Wireless
Interface: Mini USB，3.5mm Audio，Power Charge Port
Audio Source: Electronic Products with 3.5mm Plug，Bluetooth Enabled Devices
Material: Electronic Components，Plastic，Metal
Color: Black Bluetooth version: Bluetooth 4.1
Transmission Distance: W/O obstacles 10m
Standby time: About 160 hours
Total Power: 3W x 2 Charging Voltage: DC5.0V / 120mA
Working Voltage: 3.3--4.2V
Charging time: 2 hours
Lasting Time: 4 hours Package weight: 0.372 kg
Product size (L x W x H): 22.0 x 7.0 x 3.3 cm / 8.65 x 2.75 x 1.30 inches
Package size (L x W x H): 24.0 x 9.5 x 5.0 cm / 9.43 x 3.73 x 1.97 inches Package Contents: 1 x 258B Light-weight Bluetooth CSR V4.1 Stereo Speaker with Built-in Microphone AUX Port， 1 x Audio Cable， 1 x USB Charging Cable， 1 x Mini Round Stand， 1 x Rechargeable Battery