Greententljs Sport Neckband Hands-free Headsets Headphones Bluetooth Earphone Gaming Auriculares Audifonos (Black) 100% New,it can be connected with two Bluetoothenabled handsets at the same time. Material: Plastic + Silicone + Magnet Color: Black Weight: 32g Charging time: &lt;2 hours. -TalkTime: up to 15 hours. -Music Time: up to 10 hours. -Standby Time: up to 15 days. Transmission Distance: about 10M Up to 10 hours music time and 15 hours of talk time.Model:HBS-730