QTB35 Motorcycle Helmet Hand Free Intercom Kit Bluetooth Headset Wireless Interphone - Black

• Use a high-quality amp chip to restore Bluetooth audio with high sound quality

• The internal earphones are thinner without squeezing the ears and are more comfortable

• 450mAh high-capacity battery (built-in 250mAh), which makes the working time longer

• Fastened with screws and bayonet to make the installation tighter and not easy to fall off during high-speed riding

• The high-power audio amplifier makes the volume louder and does not affect music playback and phone answering under the noise of high-speed riding

Specification:

• Bluetooth: 4.1+EDR CSR8635

• Protocol: A2DP AND AVRCP

• Lithium battery: 450MAH

• Voltage/Current: DC 5V/190mA

• Frequency: 2.4GHz

• Power Amplifier: HT4832SQ

• Working time: about 10 hours

• Connection distance: 50 meters

• Size: 8.5*5*2cm

• Material: ABS