iDeaUSA Bluetooth headphones - Bluetooth 4.0 + apt-X, built-in microphones, over-ear wireless headphones, 14 hours with zippered case. Features – 1. Bluetooth 4.0 and apt-X technology. Provide excellent bass, wide frequency response and lower distortion components. 2. Comfortable to wear due to high-quality leatherette headband and velour covered over ear cushions. 3. For air travel, work, running sports, DJS. Ideal for both mobile sources and home TV. 4. On board controls, effortless touch controls allow for simple command of your music and calls. 5. Built-in mircophone, support hands free calling. 6. 14 hours play time. Enjoy hours of uninterrupted music, phone calls and movies. 7. 3.5 mm AUX input, easy connections to devices without Bluetooth. 8. Remember recent paired device, reconnect automatically. 9. iOS devices show the headphones battery life on the status bar. 10. Hard travel zipper case, no worry about damage. Specifications – 1. Model: Idea S204. 2. Chip: Bluetooth 4.0 +EDR. 3. Range: 10 m/33 ft. 4. Driver sensitivity (S.P.L): 103 ± 3 dB. 5. Impedance: 32. 6. Frequency response: 20 HZ-20k HZ. 7. Battery life: 270 mAh (14h playback time, 540h standby). 8. Profiles: A2DP/AVR CP/HSP/HFP. Note – 1. The headphones is designed for over-ear, please make sure the dimension before you purchase. 2. The blue & red light will be flash alternately when in searching status. 3. Please gently remove and insert the USB cable when charging the headphones. What's in the box –? 1. 1 x Bluetooth headphone. 2. 1 x 3.5 mm audio cable. 3. 1 x micro USB charging cable. 4. 1 x carrying case. 5. 1 x user manual. 6. 1 x warranty card. Bass is rich and pronounced, the mid and high ranges are also clear and balanced, even you turn to the high volume, the distortion is minimal, delivers deep, immersive sound at any volume, making them the best Bluetooth wireless headphones available, stream your music wirelessly up to 33 ft. (No obstacle to prevent the single).