Bluetooth version:4.1 Effective distance:10 m Music playback time:roughly 7 hours Maximum output:5W Impedance:4Ω Battery capacity:1200mAh 3.7V USB power input:5V/1A Operating temperature:-10 ℃ to 40 ℃ Mi Pocket Speaker 2 Mi Pocket Speaker Compact Bluetooth audio Minimalist design | Professional Tymphany speakers | 7-hour music playback Professional Tymphany speakers Full bass & clear treble 1200mAh battery 7 hours of music playback PC + ABS body Designed for simplicity Bluetooth 4.1 Improved connectivity Minimalist design The upper speaker is built of aluminum with an anodized oxide coating for ideal look and feel. The lower section of the speaker is composed of PC + ABS and incorporates an LED status indicator. Professional speakers, exceptional sound In partnership with Denmark's acclaimed Tymphany brand, we've implemented a fabric net design to preserve crystal clear sound and perfect bass & treble. Easy to use Top mounted control buttons simplify use, allowing control of playback, volume, and other features. Power on/off The aluminum top includes a hidden button. Just press and hold for 2 seconds to turn the speaker on or off. Bluetooth connectivity Double-press the hidden button to pair a new device Volume & playback controls After pairing your Bluetooth device with the speaker, rotate the top in either direction to raise or lower the volume. Press the top at any angle to control playback. Bluetooth 4.1 connectivity Advanced Bluetooth 4.1 is compatible with most Bluetooth-enabled devices and has a wireless range of up to 10 meters. 7-hour music playback 1200mAh high-capacity battery Built for extended use Built-in microphone for hands-free calling Lightly press the aluminum top to enable Music will automatically pause upon incoming call *Lab results. Actual results may vary based on individual conditions. Brand Xiaomi SKU 101102511_NP-1021674100