Feature: 1. Adopts latest Bluetooth V4.0 technology, data transmission rate increased to 10Mbps, ensures more stable wireless audio transmission, provide high quality sound, data transmission time shortened and power loss reduced. 2. Compatible with all A2DP stereo bluetooth devices for IOS PC/IOS 4/IOS 3G/3GS products, for Android systems on the market. 3. Support all speaker schemes, Bluetooth audio playback, answer telephone functions. 4. USB Bluetooth music receiver suitable for all speakers with USB flash disk ports. Audio can output from USB port as long as your speaker supports U disk playing function. Or the speaker can connected to the AUX port through audio cable. After bluetooth pairing successful, music in the phone can be played. Then, select music from the sub‑menu to play via Bluetooth, and the wonderful music will be played from the speaker! 5. Professional manufacturing, stable characteristics and high reliability. Specification: Condition: 100% Brand New Item Type: Bluetooth Receiver Material: ABS Color: As Pictures Shown Power Supply Mode: USB 5V Power Supply Bluetooth：Bluetooth 4.0 + EDR Standard Output Mode: USB Port, 3.5mm Audio Interface Receiving Distance: Not Less Than 10m Standard Accessory: 3.5mm Audio Data Cable Weight: Approx. 22g. Package List: 1 x Bluetooth Receiver1 x 3.5mm Audio Cable1 x Manual Card