Double Enjoy Cannon True Surround, Stereo Surround True Wireless Stereo Bluetooth Speaker Just like standing in front of you singing Breaking tradition, a small magic of splitting into two. Ten years, focusing on listening. Mini speakers finally a revolution. The wireless stereo speakers that split into two are both magic and the crystallization of technology. wireless pairing Bluetooth stereo does not require any wired connection. Two units are automatically paired into stereo within 10 meters, bringing you all-round surround sound effect enjoyment. Operation method: 1. Turn on two Bluetooth speakers, double-click the power button of one speaker, and the two speakers automatically pair. 2. When the pairing is successful, there be a prompt tone, the main unit indicator light flashes quickly, and the auxiliary unit indicator light is always on. 3. Turn on the mobile phone Bluetooth to search for BM3D, and pair and connect. Good sound quality comes from good sound cavity CNC integrated seamless drum cavity processing, 55 process processes, to achieve turbocharging technology in the audio industry. Highly sealed ultra-thin full-range internal magnetic speaker unit, tuned by professional tuners, high pitch is clear and transparent, mid-range is natural and peaceful, bass is vibrating but not broken Stable and more power-saving Bluetooth 4.2. Bluetooth 4.2 version, MIPS32 processor core, 14-band EQ adjustment, dynamic signal detection, timely response, and more power-saving. Color: Black Material: Metal Package Contents: 1 pair * speakers 1 * charging cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.