Bluetooth specification: Bluetooth 4.1 EDR
Bluetooth profiles supported: A2DP / AVRCP / HPF / HSP
Driver Size: 40 mm
SNR: 114 ? 3dB
Speaker Impedance: 32?
Frequency response: 20Hz-20kHz
Standby time: 390 hours
Playing time: 10-12 hours
Battery: Built-in rechargeable?200mAh lithium-ion battery
1.Compatible with Bluetooth enable devices, such as iPhone,iPad, Xiaomi, HTC,Lenovo,Samsung,Tablet,PC,etc.
2.Enhanced noise reduction,good choice for listening music,watching movie,talking on the phone,etc.
3.Conversation from Bluetooth-enabled cell phones.
4.Build-in rechargeable li-battery,charge via USB cable for 1-2 hours
1 X?QCY 50 Wireless Bluetooth 4.1 Headphone with Mic
1 X Charging USB Cable
1 x User Manual