Item:HB-318 Wireless Stereo Bluetooth Headphone |
Bluetooth version: V4.0 |
The bluetooth power: the Class II |
Headphones size: approximately 140 x150x60mm |
Headphones fold size: approximately 118 x60x38mm |
A single headphones weight: 71 g |
Lithium battery: 3.7 V / 430 mah |
Talk about 20 hours/music |
About 800 hours standby |
Charging time: 4 h |
Bluetooth frequency: 2402 MHZ to 2480 MHZ |
Transmission range: 3-10 meters |
Loudspeaker diameter: 30 mm |
Speaker impedance: 32 Ω |
Frequency response: 20 ~ 20 KHZ |
The microphone specifications: 6 * 2.7 mm |
The microphone sensitivity: - 58 db |
The directional: the whole point |
USB to mini USB charging line: 80 cm |