CXK Conduction Headphones Bluetooth Earbuds Open Ear Headphones Bluetooth 5.3 Earbuds with 15H Playtime IPX6 Waterproof Wireless Earbuds Stereo Sound Wireless Earphones for Cycling

【Open-Ear Design】AS21 Open-ear headphones feature the wireless open technology，no wish to put earbuds in your ears, which reduce pain or hearing damage.Plus,our Conduction Headphones come through a combination of traditional conduction headphones with upgraded technology. The usage of air as a medium to transmit sound waves, which can reduce shock to the ear and provide you with a comfortable wearing experience.
【Fast Charging & 15 Hours Play Time】AS21 Bluetooth headphones features a 10-minute quick charge for up to 2.5 hours battery life.Once, when you’re ready to go out and find that the headphones are low on power，It may be quickly charged when you change clothes.Plus,wireless headphones can enjoy up to 15 hours of listening time after being fully charged in 1.5hours.It may be used for a week without recharging in the middle if you listen to music 2 hours per day. Less charging, more convenient.
【Safety & Comfort】Wearing open ear bluetooth headphones, you’ll hear your music and surroundings at the same time,avoiding potential dangers.Featuring a memory metal frame, open-ear headphones are lightweight and comfortable to keep in place all over cycling.
【Stereo Sound Qality】AS21 Conduction Headphones Bluetooth feature large 16.2mm speaker drivers for premium prime quality stereo sound and immersive.It is suitable for all music genres with soft audio, allowing you to enjoy a immersive listening experience.
【Bluetooth 5.3 & One-step Pairing】AS21 Wireless headphones with the advanced Bluetooth 5.3 technology，can greatly support the transmission speed and provide you with a stable and low-latency listening experience.Long press the “MFB” button for 2 seconds to power on,click “AS21” on your mobile device to connect.Plus,it also enables you to connect two devices concurrently.
【Sweatproof & Rainproof】IPX6 Waterproof Headphones can effectively fight against sweat and rain.So whether you’re sweating at the gym, running, cycling or caught in the rain, these sweatproof headphones will keep playing.( Not recommended for use whilst swimming or bathing.）