Alibaba Trade Assurance custom bluetooth headset handsfree Product Description Technology: Bluetooth 4.2 Radio frequency: 2.4GHz
Transmission range: <10 m
Charging Power: input AC 110-240V; output DC 5V
Charging time: 1 hours
Talk time: 5 hours
Music play: 4 hours
Standby time: 120 hours
Wearing styles: In-Ear mini headphones
Battery: 65mA rechargeable lithium battery
Noise cancellation technology: CVC6.0 Project: from UK CSR Fecture: 1.Can connect two phones at the same time 2.Support telephone voice prompt