Features: 1. Excellent Sound: It delivers uncompromising sound: deep bass, mellow middle and crisp highs, give you an acoustic feast. 2. Exquisite Pendant: LP record design with 3D CD textures and detailed craftsmanship, the in-line remote can be an exquisite pendant. 3. Classic Colors: Three colors--Gold, Rose gold and Silver --to option as you like. 4. Hi-Fi Cable: Oxygen-free copper TPE cable transmits high fidelity sound. 5. Powerful Speaker: Clear and melodious sound is conveyed by high quality 9mm speaker and high-end titanize diaphragm. 6. Bluetooth 4.0 Technology: Bluetooth 4.0 technology minimizes sound loss with stable transmit efficiency. 7. Sophisticated Craftsmanship: The earphones are made of aviation Al-alloy, manufactured using CNC, polishing and oxidization technologies. Specifications: General Specification Brand ROCK Product MuO Bluetooth Stereo Headphone Model RAUO518 Color Silver, Gold, Rose gold Cable Length 100cm Wearing Type In-ear Technical Parameters Connectivity Bluetooth Driver Unit 9mm Mic Spec. 3729- 42±2dB Battery 100mAh gel polymer battery Talk time 3-4h Music time 3.5-4h Standby time 45-60h Bluetooth Version 4.0 Transmission Range 5-10m Package Included: 1x ROCK MuO Bluetooth Stereo Headphone 3x Earplugs 1x Instructions In-line Control Using Method: “+”: Press & Hold 2s back forward to previous song Press for volume up “-“: Press & Hold 2s skip forward to next song Press for volume down “O”: Press & Hold it until the light blinks red and blue alternatively, it gets into Bluetooth pairing mode. Press & Hold for Power On\/Off When listen music, press to play\/ pause music. Note: Charging cable is not included in the package.