Note: There is no memory card when purchasing Bluetooth headphones. If you need a memory card, you can purchase it separately by yourself. Thank you very much!

Product Features:

Bone Conduction Technology--This Bluetooth Headset brings you unbeatable quality audio through your cheekbones, making it possible to fully enjoy your music while still being aware of your surroundings. With improved technology & a fully enclosed cavity, Siniffo bone conduction headphones reduce sound leakage by up to 50%, providing an unparalleled audio experience.

Open-Ear Design--Bone conduction headphones feature an open-ear design that transmits high-quality audio through the skull, thus reducing the burden on the ears. The wireless bluetooth headset is lighter in weight and more comfortable to wear, which brings you a comfortable experience even when you wear it all day long.

New Bluetooth 5.3--The newly upgraded Bluetooth 5.3 ensures stable transmission and brings you a high-quality user experience at all times. The Bluetooth headset supports most Bluetooth pairing compatible devices, such as smartphones, laptops, Macbooks, tablets and more. Built-in microphone provides clear calls. Maximum Bluetooth effective range up to 10 meters (33 feet).

15 Hours Long Battery--Battery life has been significantly upgraded, with a quick full charge in 2 hours and up to 10 hours of continuous use on a single charge, ensuring that your daily needs are met and that you can enjoy your music experience at any time.

Bluetooth 5.3 Connection -- Connect Fast and Low Latency:Bluetooth 5.3 ensure that the headphones connects quickly and stably within 15 meters, with lower latency and lower power consumption.

Easy to Use -- The A20 bluetooth earphones are compatible with all bluetooth enabled devices, like android phones, ios devices, laptops, mp3 and so on. It has a built in microphone for clear phone calls, and it is also compatible with Siri and Android voice assistant

Note: There is no memory card when purchasing Bluetooth headphones. If you need a memory card, you can purchase it separately by yourself. Thank you very much!

Product Features:

Bone Conduction Technology--This Bluetooth Headset brings you unbeatable quality audio through your cheekbones, making it possible to fully enjoy your music while still being aware of your surroundings. With improved technology & a fully enclosed cavity, Siniffo bone conduction headphones reduce sound leakage by up to 50%, providing an unparalleled audio experience.

Open-Ear Design--Bone conduction headphones feature an open-ear design that transmits high-quality audio through the skull, thus reducing the burden on the ears. The wireless bluetooth headset is lighter in weight and more comfortable to wear, which brings you a comfortable experience even when you wear it all day long.

New Bluetooth 5.3--The newly upgraded Bluetooth 5.3 ensures stable transmission and brings you a high-quality user experience at all times. The Bluetooth headset supports most Bluetooth pairing compatible devices, such as smartphones, laptops, Macbooks, tablets and more. Built-in microphone provides clear calls. Maximum Bluetooth effective range up to 10 meters (33 feet).

15 Hours Long Battery--Battery life has been significantly upgraded, with a quick full charge in 2 hours and up to 10 hours of continuous use on a single charge, ensuring that your daily needs are met and that you can enjoy your music experience at any time.

Bluetooth 5.3 Connection -- Connect Fast and Low Latency:Bluetooth 5.3 ensure that the headphones connects quickly and stably within 15 meters, with lower latency and lower power consumption.

Easy to Use -- The A20 bluetooth earphones are compatible with all bluetooth enabled devices, like android phones, ios devices, laptops, mp3 and so on. It has a built in microphone for clear phone calls, and it is also compatible with Siri and Android voice assistant