The mbeat Exeed E1 Wireless Earbuds give you crystal clear sound while offering comfort and freedom when you listen to your favourite tunes. These portable earphones are easy to pair via Bluetooth V5.0, offer up to 3.5 hours of playing time, charge in just an hour and the charging box allows charging wherever you go! Perfect for use while commuting, studying, exercising or at the gym. Features built-in microphones to allow crystal clear phone calls away fromyour phone. Compatible with iOS & Android devices. Specifications: Earbuds- Bluetooth version: 5.0 Input voltage: +3.7V Battery capacity: 35mAh ×2 Play time: 60% volume up to 4h Additional 14 hours from battery case Fully charging time: 1 hour Wireless profile support: HSP/HFP/A2DP/AVRCP Sensitivity: 96±3dB Battery Case- Capacity: 500mAh Charging current: +5V/1A Charging port: Micro USB Fully charging time: 2 hours Additional play time: 14 hours