The ProOne PSB4117 is a portable and advanced Bluetooth speaker, designed to cater to a wide range of audio needs. It features the latest Bluetooth V5.3 technology, offering enhanced connectivity options including BR, EDR, and BLE profiles, ensuring seamless pairing with a variety of devices. The speaker supports multiple profiles like A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP, ISMP, ATT, GAP, GATT, RFCOMM, SDP, and L2CAP, making it highly adaptable for different audio streaming requirements. With a generous wireless range of up to 10 meters, the PSB4117 allows for considerable mobility without compromising on sound quality. It is powered by a robust 18650 Lithium battery with a capacity of 1200mAh, ensuring reliable performance. The speaker offers a substantial standby time of about 9 hours and a working time ranging between 2 to 6 hours at medium volume, making it ideal for both short and extended listening sessions. Charging is convenient and quick, with a DC 5V/1A charging power requirement and a full recharge time of approximately 2 hours. The ProOne PSB4117 is equipped with two high-quality 52mm speakers, each with an impedance of 3.5Ω, delivering crisp, clear, and powerful sound that can fill any room. This speaker is a perfect blend of functionality, portability, and audio quality, suitable for both casual listeners and audiophiles alike.