Specifications: Bluetooth version: V4.1 Profiles: A2DP、 AVRCP、 HSP、 HFP Drive: 2*|┢1.58" 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"?Ð2.36"?Ð2.05" Package size: 8.19"?Ð5.51"?Ð2.56" 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