Audio Technica BK Wireless Bluetooth Compact Lightweight Up to 20 Hours Playback Low Latency Ambient Sound Passthrough Multipoint IPX5 Waterproof...

[Product Overview] ■ Certified product with technical compliance mark (Frequency band: 2.4GHz band) ■A variety of functions condensed into an even smaller body ■An iconic square design that pursues the smallest possible form. ■Compared to the previous model, the volume has been reduced by approximately 10%. The earphones themselves weigh only 4.1g, achieving an overwhelmingly mini size. ■Ergonomic design ensures a comfortable fit.