SONY LED light bulb speakers LSPX-100E26J Speaker part: use the speaker diameter of about 40 mm / amplifier section: Practical maximum output 2W / illumination section: light source color bulb color / corresponding cap: E26 cap / light distribution: wide light distribution type Bluetooth: communication method Bluetooth standard ver.3.0 / Output Bluetooth standard Power Class2 Sight distance about 10m / use frequency band 2.4GHz band / modulation method: FHSS / Supported profiles: A2DP, AVRCP / corresponding codec: SBC, AAC / corresponding content protection SCMS-T method / transmission band (A2DP): 20 Hz - 20,000 Hz (at 44.1 kHz sampling) Maximum Dimensions (outer diameter  overall length): about 61 mm  116 mm / Weight: about 205g Japanese Reference Guide URL (PDF):http://www.sony.jp/ServiceArea/impdf/pdf/45703450M-JP.pdf Japanese Quick Start Guide URL (PDF):http://www.sony.jp/ServiceArea/impdf/pdf/45703440M-JP.pdf