Program: Bluetrum 5.0 8832
Battery: Headphones pure cobalt 50 mAh Charger 400 mAh
Transmission distance: 10 meters
Use time: 4-5 hours
Headphone charging time about 40-50 minutes
Charger charging for about 1-2 hours
Exterior size: Quantity: 100PCS
Gross weight: 13KG