QAHM V11 Wireless Headphone

Bio-peptide membrane 10mm large moving coil: Offer Perfect Sound Quality. Built-in noise reduction microphone: Can provide a clear call effect. With mute button to control the microphone on and off. Long-lasting battery: Enjoy the whole day from morning to sunset. Waterproof and sweat-proof: Can be used when you are swimming or running. BT 5.0 game level chip: High stability and quick transmission. Also suitable for people Wearing glasses: Memory titanium skeleton which can be fold continuously. Specification: Project Name: V11 BT Ice: BK 32664 Speaker Type: Bone conduction technology speaker, 1w dual speaker.150mAh Power battery Battery: Anti- interference microphones, - 42DB Play time: 5h Standby time: 10days Effective range: 10m (33feets) Mono/Stereo: Stereo BT Version: V5.0 Weight: 28g Bluetooth Class(1/II): Class II BQB included(V/N): No BT Profile: Ia2dp/HFP, HSP,AVRCP,GAVDPAVDTP_ Receiving Sensitivity: 88dBm Frequency range: 20-20KHZ Charging: Micro USB port and need 2 hours Appearance color: Black Total Size: Approx. 17*13.2cm*5.2*cm / 6.69*5.19*2.04in Total Weight: Approx. 81g / 2.86oz Package List: 1 * Bone conduction earphone 1 * Manual 1 * Soundproof earplugs 1 * USB charging cable