Sony SRS-XE200. Frequency range: 20 - 20000 Hz, Impedance: 4 Ω. Connectivity technology: Wired & Wireless, Bluetooth profiles: SSP, A2DP, HFP, AAC, HSP, AVRCP, SBC, LDAC, Bluetooth range: 30 m. Product type: Stereo portable speaker, Product colour: Blue, Volume control: Buttons. Recommended usage: Universal, Microphone direction type: Omnidirectional. Battery type: Built-in battery, Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 2900 mAh