Features:

Beyerdynamic DT 770 Pro 32 Ohm Dynamic Studio Headphones
32 Ohms drivers for mobile applications
Closed, diffuse-field studio headphone
"Bass reflex" technology for improved bass response
Comfortable fit due to rugged, adjustable, soft padded headband construction
Robust, easy serviceable construction as all parts are replaceable
Softskin, circumaural ear pads
Single sided 1.6 m (5.2 ft.) straight cable
Including drawstring bag
Gold plated jack plug (3.5 mm) and adapter (6.35 mm)
Rockville RPB1 waterproof portable Bluetooth speaker with 10 watts power!
Automatically remembers and syncs with previously synced devices
Playback Controls - Play, Pause, Skip Forward, Skip Back, Volume Up, Volume Down
Will control next song, pause, play on popular apps like Pandora, Spotify, and others
Can control next song, pause, and play from the Bluetooth speaker
The built-in mic allows you to speak through the device so you can make and receive phone calls hands-free
Circular design fits in the palm of your hand or in your pocket
Rugged and Shockproof!
Rubberized impact-resistant rubber feet for great sound when placing speaker on any hard surface
Compatible with any Bluetooth devices such as iPad, iPhone, Laptops, Android phone, other cell phones, iPods, other Bluetooth MP3 Players
Distortion: Less than 1 %
Natural sound with enhanced bass response
Frequency Response: 150HZ - 18KHZ
Built in advanced speaker design with horn speaker unit for increased output power
Dimensions of Unit (inches): 3.35" x 3.43" x 1.34" Height
Unit weight: 0.3 pounds
90 Day Money back guarantee!

• Beyerdynamic DT 770 Pro 32 Ohm Dynamic Studio Headphones. 32 Ohms drivers for mobile applications. Closed, diffuse-field studio headphone . "Bass reflex" technology for improved bass response . Comfortable fit due to rugged, adjustable, soft padded headband construction . Robust, easy serviceable construction as all parts are replaceable . Softskin, circumaural ear pads. Single sided 1.6 m (5.2 ft.) straight cable. Including drawstring bag. Gold plated jack plug (3.5 mm) and adapter (6.35 mm)
• Rockville RPB1 waterproof portable Bluetooth speaker with 10 watts power!. IPX67 Waterproof. Completely submergible in water. 10 watts peak power. 3 watts continuous RMS. Battery charges with included USB cable. 500 mAH battery supports 10 hours of playback! This battery lasts longer than almost any other on the market!. Charge time: 1-2 Hours. Extremely loud and powerful in a handheld compact size.
• Material: 100% ROHS Silicone & ABS - This enclosure design delivers top of the line sound quality. Perfect for running, camping, hiking, pool, beach, shower, bedroom, iPad/Laptop speaker, kitchen and many other applications. Includes Aluminum hook to latch it onto anything from your shirt, to a dog leash, a pocket book, etc. Bluetooth version. 4.0 with EDR (Enhanced Data Rate). A2DP audio streaming 40 foot max Bluetooth range.
• Huge Battery Life: This is a big advantage with our unit. We use a high quality original 500 mAH battery rated for 10 hours of playback with a charge time of 1-2 hours. I have been using this speaker for 2 months daily and I've only charged it twice so far.
• Amazing Bluetooth Integration: This uses the latest and most reliable Bluetooth chip. It has Bluetooth 4.0 technology with enhanced data rate and a range of 40 feet! This guarantees a crystal clear signal even when you are away from the unit. Pairing your phone or other Bluetooth enabled device is super easy! There is no password required. Simply turn the unit on and it automatically connects to your device.

Beyerdynamic DT 770 Pro 32 Ohm Dynamic Studio Headphones. 32 Ohms drivers for mobile applications. Closed, diffuse-field studio headphone . "Bass reflex" technology for improved bass response . Comfortable fit due to rugged, adjustable, soft padded headband construction . Robust, easy serviceable construction as all parts are replaceable . Softskin, circumaural ear pads. Single sided 1.6 m (5.2 ft.) straight cable. Including drawstring bag. Gold plated jack plug (3.5 mm) and adapter (6.35 mm)Beyerdynamic