Looking for a cool and unique speaker? Main Features: CREATIVE DESIGN: Unique, innovative, excellent skuJI with sunglasses design, perfectly portable fits easily into backpacks or computer bags. Easy to switch the numbers and volume control and take the call. Also good as a home decoration. PERFECT SOUND: With powerful stereo speaker, HD sound quality, and strong bass. Also listen to Audible, podcasts, radio stations, or pair with Fire TV to control movies and entertainment with your voice. LONG BATTERY LIFErFAST CHARGING: Built-in 4000mah battery, lasts up to 5 hours of music playing time with a full charge, charging only 2-3 hours, very durable Constructed with high-quality materials to keep you charging, again and again, universal micro USB charging port design. UNIVERSAL COMPATIBILITY: Compatible with all Bluetooth devices. Coverage range within 15 meters, Connect your devices in just 3 seconds. Our Skull Speaker allows you to enjoy satisfaction in any home at the office and show your life while playing your favorite music Specifications: Item type: Speaker Channel: 2.1 Support format: TF card Is there a radio function: none Battery capacity: 2000 Signal to noise ratio: ?75dB Play format: MP3 Interface type: USB Mode of operation: button Frequency response range: 40Hz-20KHz Output power: 5W Speaker adjustment mode: button Connection method: Bluetooth connection Play time: 6 hours Applicable people: General Power supply mode: built-in lithium battery Power mode: USB Bluetooth protocol: 4.0 Effective distance: 10 meters Extended storage: 32GB Number of speakers: 1 Box material: plastic Function: card Shell material: plastic Size: 9*8*6.5cm (3.54*3.15*2.56in) Package Include: 1 x product, 1 x Manual, 1 x box packaging Note: The colors deviation might differ due to different monitor settings.