Andoer Bluedio HT Over-the-head Bluetooth 4.1 + EDR Wireless Stereo Earphone Headphone Headset Hands-free with Mic for Smart Phones Desktop Laptop Computer Notebook Tablet PC

 Specifications:
Drivers: 57mm speaker X 2
Transducer type: dynamic
Bluetooth version: V4.1
Frequency range: 2.4GHz-2.48GHz
Operating distance: up to 10m (free space)
Bluetooth profiles: A2DP、AVRCP、HSP、HFP
Impedance: 16Ω
Frequency response: 20Hz-20kHz
Sensitivity: 110dB
Distortion:<0.1%(THD)
Music playtime: up to 40 hours
Talk time: up to 45 hours
Standby time: up to 1625 hours
Charging time: about 2 hours
Operational temperature: -10 to 50°C
Color: Black, White Red, Blue(Optional)
Main item size: 17.5 * 17.0 * 8.0 cm / 6.88 * 6.69 * 3.14in
Main item weight: 193g / 6.8oz
Package size: 21.5 * 20.5. * 8.5 cm / 8. 46 * 8.07 * 3.34 in
Package weight: 428g / 15.09oz

Package List:
1 * Bluedio Bluetooth Headset
1 * Audio Cable
1 * USB Cable
1 * (Chinese, English, French, Spanish, Japanese, German) User Manual