Specifications Brand: Generic Warranty: 7 days Warranty Agent: Dozen Transmission distance: 10 meters Input voltage charging: 5 volts Battery capacity: 50 mAh Charging box capacity: 2000 mAh Talk time: 4 hours Charging time: 1-2 hours Product dimensions: 12.7 x 12.7 x 10.2 cm Weight: 149 grams Contents 1 x Bluetooth headset 1 x Charging box 1 x USB charging cable 1 x User manual