BS-2(Explorer) is a portable Bluetooth speaker newly released by Bluedio. It is remarkable for its small size and light weight, thus easy to take it with you anywhere. Although it"s small, it still brings you full music experience due to two exclusive speakers and bass diaphragm inside. Besides, the latest Bluetooth 4.1 chip provides you with the best Bluetooth experience. Ready for a trip or a party, just grab BS-2(Explorer) and go. Specifications: Color: black, white, gold, silver Bluetooth version: V4.1 Profiles: A2DP, AVRCP, HSP, HFP Drive: 2*Φ1.58" Frequency response: 20 Hz -20KHz Output power: 2*3W Input voltage ≤1V Operating distance: up to 32ft (free space) Bluetooth music/talk time: about 7 hours Standby time: about 1000 hours Fully charged time: about 5-6 hours Speaker size: 7.16"×2.36"×2.05" Package size: 8.19"×5.51"×2.56" Speaker weight : 9.98 oz Package weight: 20.18 oz In the box: Bluedio BS-2(Explorer) speaker 1pc Charging cable 1pc Audio cable 1pc User manual 1pc About Bluedio Bluedio is a manufacturer pioneer in portable audio device, providing solutions of professional audio and wireless communication. In 2009, we have registered Bluedio as our trademark in the USA, later obtained certificates from China and the whole world. So far, Bluedio has owned over 30 patents, highly praised by consumers over 34 countries.