Up to 15 hours play time in single charge Hands Free calling Integrated headphone controls to adjust volume, play and pause and more Foldable headphone design with adjustable headband. Earpads rotate, tilt and fold Over ear design for all day wear MAXIMUM SOUND INSULATION AND OPTIMAL MUSIC EXPERIENCE StreamQ C1 Wireless Headphones offer up to 15 hours of wireless playtime on a single charge and hands-free calling. Enjoy integrated headphone controls to easily adjust the volume, play and pause and more. With its adjustable headband and foldable and rotating ear pads, these headphones are designed for all-day comfort. Plus, the over ear design ensures maximum sound insulation and optimal music experience. TECHNICAL SPECIFICATION Play Time: Up to 15 hours Bluetooth: Version 5.0 Supported Profiles: A2DP, AVRCP, HFP, HSP Wireless Range: 10m Speaker Diameter: 40mm Frequency Range: 20Hz – 20KHz Rechargeable Battery: 300mAh Li-on Battery Socket: Micro USB Charge Time: 2 hours