Features:1. Drive: 15mm 2. Impedance: 32 OHM 3. Bluetooth version: Bluetooth v5.2+EDR 4. Bluetooth use frequency band: 2.4GHz 5. Power level: CLASS II 6. Output power: 30mW 7. Bluetooth distance: 18 meters without barriers 8. Frequency response: 20-20000Hz 9. Operating voltage range: 3.0V-4.2V 10. Microphone sensitivity: -42dB 11. With A2DP/AVRCP...

Features: 1. Waterproof aluminum sealed speaker, and it's 5W speaker, so give you much better quality stereo experience! 2. Aluminum loudspeaker protect net: special coloring process, beautiful, prevent from oxidation 3. The silicone cases and interface design ensure good sealing, effectively prevent dust, can be used under harsh environment) 4....