Original BE@RBRICK 400% design Omnidirectional sound with QUAD’360TM audio technology by RINARO Universal wireless connectivity via Bluetooth® Simple 1-button activation Music playtime up to 6 hrs* Fast charging in 1.5 hrs via USB-C 2 speakers stereo pairing technology (True Wireless) Replaceable battery Acoustic drivers configuration: 2 tweeters + 2 woofers Frequency range: 90Hz - 20,000Hz (-6dB) Rated output power: 2x10W Signal-to-noise ratio: >80dB Bluetooth® 5 Battery: Lithium-ion 10.36Wh USB-C charging: 5V/2A Dimensions: (W x H x D): 132 x 280 x 70 mm/5.2 x 11 x 2.7inch Weight: 860g * Dependent on volume level and audio content