Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Brand:Flycool1. DETAIS: - Color: Green/Red/Black/Blue;- Transmission range:10 m- Basic functions: call， * (on phone support)， voice dialing * (on phone support)， redial， hang up， volume control， music，etc.2. SHIPMENT: Package will be sent out IMMEDIATELY as soon as the payment is completed.3. Bluetooth Version: Buletooth 3.0 + EDR， wireless transmitter standard of class II4. Frequency Coverage: 2.402~2.480GHz ISM band5. Stereo Compression Ratio: 44.1/ 48kHZ6. Charge Power : PC USB， 5V