•Dual speaker diaphragm, small steel cannon quad core sound: The third-generation SSQVP digital enhancement technology improves the transient response of the speaker by 68%, restoring the authenticity of music and releasing heavenly sounds •1200mAh large battery: can play continuously for 5-6 hours when fully charged, bid farewell to battery anxiety, and support mobile phone battery display •Bluetooth-compatible 5.0: High speed and stable transmission, strong anti-interference ability, more stable signal, compatible with smart devices such as mobile phones, tablets, and laptops on the market •Three playback modes, TF card plug and play: supports Bluetooth, TF card, TWS playback modes, allowing you to enjoy music as you please Specification: •Bluetooth-compatible solution: JLAC6965E •Bluetooth-compatible version: V5.0+BR+EDR+BLE •Channel system: single channel, 1 speaker •Supports Bluetooth-compatible protocol: a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/g •att/rfcomm/sdp/l2cap profile •Maximum power: 6W * 1 •Bluetooth-compatible working frequency: 60Hz~18KHz •Receiving sensitivity: