Ultimate Ears Blast Bluetooth speakers - Black

• 360 Sound
• Maximum Sound Level
• 90 dBC. Frequency Range: 90Hz - 20kHz
• Drivers: Two 35mm active drivers and two 81mm x 39mm passive radiators.
• HANDS-FREE VOICE CONTROL: Amazon Alexa built-in for hands-free voice on Wi-Fi, both at home or on-the-go. BLAST / MEGABLAST is a standalone Alexa enabled device and does not require an Echo or Dot.
• FAR-FIELD VOICE RECOGNITION: Multiple microphones with beam forming technology and noise cancellation enable a smooth far field voice recognition and control experience. 
• POWER: Rechargeable Lithium-Ion Battery for up to 12 hours of battery life.*
• COMPATIBILITY:Requires a Wi-Fi router with 802.11 a,b,g, or n for first time setup. Audio Playback supported for Bluetooth® devices with advanced audio distribution profile (A2DP).

• Wireless Capabilities
• Dual-band Wi-Fi supports 802.11 a/b/g/n (2.4 and 5 GHz) networks
• Bluetooth® - Pair up to 8 Bluetooth® enabled source devices.
• Wi-Fi range: 100m / 330ft
• Bluetooth® range: 45m / 150ft

• System Requirements: Wi-Fi network and a compatible Android or iOS mobile device required. Minimum OS requirements are iOS 10.2 or Android 5.0. Certain skills and services may require subscription or other fees. When tethering to a mobile device hotspot, standard data rates may apply.
• Waterproof: IP67 waterproof and dustproof. BLAST can be immersed in liquid up to 1m for up to 30 minutes.

• Battery Type: Rechargeable - lithium ion
• Run Time (Up To): 16 hour(s)
• Dimensions & Weight: Diameter 3.5 in - Height 9.3 in - Weight 2.65 lbs
• General Features: Microphone
• Hands-Free Function: Yes
• Protection: Shockproof, dustproof, waterproof
• Enclosure Color: Graphite
• Compliant Standards: IP67
• Max Depth of Water Resistance: 3.3 ft
• Speaker System: Speaker Type
• Frequency Response: 60 - 20000 Hz
• Output Level (SPL): 93 dB
• Amplifier: Integrated
• Interfaces: Bluetooth, IEEE 802.11a/b/g/n
• Bluetooth Profiles: Advanced Audio Distribution Profile (A2DP)
• Transmission Range: 328 ft
• Internet Streaming Services: Amazon Alexa Voice Service
• Controls: Volume
• Speaker System Details: Driver Details
• Speaker: 2 x full-range driver - 2.15" Speaker: 2 x passive radiator - 3.35 x 1.97" Speaker: 2 x tweeter driver - 1"