Video of TRuRock: What's In The Box: (1) TruRock Bluetooth In-Ear Earbud Headphones (3) Ear Tips (Small,Medium and Large Size) (3) Ear Hooks (Small,Medium and Large Size) (1) Micro USB Charging Cable (1) Charging Case (1) User Manual Description: 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 hooks provide superior comfort Sweat Resistant These ear buds are resistant to sweat and will not get damaged from active use. Bluetooth 4.1 Features the latest Bluetooth 4.1 technology with a range of 33 feet which makes them perfect for listening to music, and even taking hands-free phone calls. Crazy Long Battery Life The TRuRock headphones have a fast recharging time of 1-2 hours with a playback time of 2.5 hours on a single charge. The power bank holds 2.5 total charges. Skype Compatible These ear buds feature a built in microphone making them perfect for Skype calls Features: Rockville TRuRock TWS True Wireless Bluetooth In-Ear Headphones + 320 mAh Powerbank 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: ATS2823B Battery Capacity: Lithium-ion polymer 40mAh/side Charging Case Capacity: 320 mAh Power Bank Charge Capacity: The power bank holds 2.5 total charges. Charging Time for Ear Buds: 1-2 hours Charging Time for Case: 2hours Talk Time: Up to 2 hours Playing Time: 1.5 – 2.5 hours Standby Time: Up to 180 hours Product Weight: 1.5 oz. Product Dimensions: 2.8” x 1.4” x 1.2” inches Shipping Dimensions: 4.7” x 3.9” x 1.5” inches Owner’s Manual