Home subwoofer, mobile phone button sound call alarm clock radio $ 13.60 Type: Bluetooth speaker Connection method: Bluetooth connection Battery capacity: 2500MAH Frequency response range: 100HZ-20KHZ Output power: 3W, 5W Signal to noise ratio: 75dB Power supply mode: built-in lithium battery Playing time: 8 hours Expansion storage: 32GB Bluetooth protocol: 5.0 Effective distance: 10 meters Function: radio, alarm clock, bracket, temperature display Operation mode: button Applicable people: general Display: Yes Shell material: ABS+PC lens
