Fun and functional magnetic earbuds that can connect to each other when not in use Music plays 4-6 hours, but unit charges quickly. Every headset offers an ergonomic fit and background noise reduction Specifications: - Bluetooth: V4.1 - Profile Support: HSP/HFP/A2DP/AVRCP - Frequency Response:20-20kHz - Impedance: 16 Ohms - Sensitivity(SPL): 92±3db - Profile Support: A2DP/AVRCP - Operating Distance: Up to 10m (free space) - Talk/Music Time: Up to 3 hrs - Standby Time: 200 hrs - Charger time: 2 hrs - Carton Size: 73 x 31 x 20 What's in the box 1x bluetooth sport neckband