These Rockville Rock Sport Running/Sports Bluetooth Earbuds Earphones provide amazing bass, mids, and highs. We calibrated these to sound well with every genre of music, from hip hop to rock to classic. The frequency curve is relatively flat, with only a tiny rise in the bass. Even at high volume, there will be no discernible distortion.

Features:

• Rockville RockSport Running/Sports Bluetooth Earbuds Earphones, IPX7 Waterproof Rating
• Rockville Engineering: These have incredible bass, mids and highs. We tuned these to sound good for any music type from hip hop, to rock, or even classic. The frequency curve is very flat with the bass slightly boosted. You can expect no noticeable distortion even at high volume
• Secure Fit With Flexible Ear Loops: Our secure fit ear buds stay in your ear comfortably even when running, lifting weights, or doing other activities. Flexible silicone ear loops provides superior comfort
• IPX7 100% Waterproof for Sports: An IPX7 rating means these are waterproof and able to be completely submerged in water. They are weather-proof, dust-proof, and dirt-proof making them perfect for running, the gym, jogging, hiking, cycling, the pool, and more!
• Bluetooth 4.1: Features the latest Bluetooth 4.1 + CVC6.0 noise cancelling technology. These earbuds are perfect for music, and even taking phone calls hands-free. They have a long Bluetooth range of 33 feet.
• Crazy Long Battery Life: The RockSport headphones have a fast recharging time of 2 hours with a playback time of 8 hours on a single charge.
• Multi-Point/Two Devices Connection: You can connect 2 phones simultaneously. Automatically pairs to your phone after pairing the first time.
• Skype Compatible: Use these for your Skype calls, with the built in microphone for clear conversations.

Specifications:

• Frequency: 2.4-2.483 GHz
• Bluetooth Range: 33 ft
• Bluetooth Profiles: HFP1.6, HSP1.2, AVRCP1.4, A2DP1.2
• Bluetooth Version: v4.1+ERD
• Chip: CSR 8635
• IPX7 Waterproof Rating
• Battery Capacity: Lithium-ion polymer 110mAh
• Battery Life: 8 hours
• Charging Time: 1-2 hours
• Talk Time: Up to 8 hours
• Playing Time: Up to 8 hours
• Standby Time: Up to 220 hours
• Product Weight: 18.5g

Package Include:

• 1x RockSport Bluetooth Earbuds
• 2x Ear Tips (Large Size)
• 2x Ear Tips (Medium Size)
• 1x Micro USB Charging Cable
• 1x Cable Management Clip
• 1x User Manual