Speakers

Plug and play, automatic installationUSB bus-power, no external power supply neededDual Stereo audio out and mono microphone socketsWith microphone-mute, speaker-mute, volume up and down four function keys Turn your stereo speaker or earphones into 7.1 channel environment Two jacks, the green one is for stereo output, and the yellow one is for mono microphone input Specifications: USB 2.0 Full-speed (480Mbps) specification USB HID class specification 1.1 USB Audio device class specification 1.0 USB Type A, 2x 3.5mm stereo output jack, 2 x mono microphone input jack connectors Supports: Windows 98se /ME / 2000 / XP / Server 2003 / Vista/Windows 7 and Windows 8 Linux/ MacOS 10/ System Requirement : Desktop or notebook PC with a USB port, Stereo active speakers or stereo earphone

Blue Led LightBattery up to 30 hoursDual Speaker + Dual Bass Membrane | 45mm Driver UnitMode : Bluetooth | FM Radio | AUX | USB | Micro SD5.0 Wireless VersionMicro USB Charge

Mobile Gaming & Music SpeakerPortable Usb Speaker45Mm Driver UnitBass Resonable MembranePlug Type: 3.5Mm + Usb360 Degree Surround

-Battery: 1200mAh-Interface: Wireless-Channels: 3 (2.1)-Use:  USB, FM, CD/DVD, MP4, Mobile Phone, TF, Computer, MP3-Function: Wireless Speaker, Hands-free, FM Radio, TF Card

-Battery: 1500mAh-Interface: Wireless-Channels: 3 (2.1)-Use: Computer, Home Theatre, Karaoke Player, Mobile Phone, Portable-Function: Mini, Portable, Wireless,Call Answer,U Disk,TF Card,AUX,FM,Phone Stand

-Interface: Power plug 220V & 3.5 mm jack port-Channel: 2.1-Use: Computer, Home Theater, Mobile Phone, Portable Audio Player-Function: Mini, Portable-Impedance: 4Ω -Frequency response: 20Hz-20KHz-Power: 5W+2.5W*2

-Built-in lithium rechargeable battery 1500mAh-The power of the device is enough for 12 hours of continuous sound playback.-Unsurpassed sound quality with unique bass. Music can be listened to in nature, far from the sockets. Cylindrical shape.-With A2DP wireless, wireless stream music from any wireless-enabled device such as your mobile phone or tablet-10 meters operating range, with USB supporting; with line-in function, suitable for PC, MID, TV and other audio device-Inputs-LINEAR (mini jack connector) -Interfaces-Bluetooth -USB Port -Optional Extras