GiftU corporate gift search enginee, provides customised mobile phone accessories gift ideas, welcome small orders, professional solution, quality guaranteed - Different PU color are available - Rechargeable lithium battery lasts for approximately 4-5 hours per charge. - Working distance: 10 meters - Operating voltage: 3.0-5.0V - Standby time: 60 days - Uninterrupted working time: 45 hours - Charging time: 4 - 4.5 hours
