HBQ I7S Double Dual Mini Wireless 4.1 Bluetooth Earphone With Power Case is very small and ultra-lightweight.This headphones only need 1-hour charging time, saving much time for you, 4 hours music and phone call time, volume battery65MAH.Noise canceling headphones, stereo sound, It is your ideal standby earphones Only. Theseheadphonesconnect seamlessly with most of bluetooth enabled devices up to 30 feet away(depends on different vacations).

Feature:

• Model: HBQ I7
• Drive: 15mm
• Impedance: 32 OHM
• Bluetooth version: Bluetooth v4.1+EDR
• Bluetooth frequency: 2.4GHz
• Power level: CLASS II, output power: 30mW
• Bluetooth Distance: obstacle free 10 meters
• Frequency response: 20-20000Hz
• Working voltage range: 3.0V-4.2V
• Head sensitivity: -42dB
• Have A2DP /AVRCP high quality stereo audio transmission and remote control protocol
• Powerful noise canceling circuit (active noise reduction)
• Switch between English and Chinese (boot is not connected to Bluetooth status, and press switch 2 times to hear prompt tone Switching successfully)
• Product size: 25MM*15MM*35mm, products net weight of about 5g

Specifications of HBQ I7S TWS Double Dual Mini Wireless 4.1 Bluetooth Earphone With Power Case - White