100% Lifetime Quality Assurance: If the wireless speaker does not work well within two weeks. Please do not hesitate to contact us, you have the choice to change a new one or get a refund. We give you the best service to ensure your 100% satisfaction. Effective warranty: 1 year. If you have any questions about your products, please feel free to contact us, we will give you a positive answer within 24 hours. Bluetooth chip: ATS2815 Bluetooth version: BT4.2 corresponding name: ZK606 Bluetooth protocol support: A2DP V1.2; AVRCP V1.4, GAVDP V1.2; AVDTP V1.2; SPP V1.2; AVCTP V1.2 audio decoding: SBC; RF carrier frequency: 2402 MHz-2480 MHz Bluetooth reception distance: 10 meters voice audio input: supports external audio Input output power: 12W x 2 channel: stereo signal to noise ratio: ≥ 70DB frequency range: 150Hz-15KHz distortion: ≤ 10% at 1KHz 10W Bluetooth connects automatically shutdown: 10 minutes battery indicator: supports the battery display of the iOS system: MIC: 4.0 (± 0.1) * 1.85 (± 0.1) mm; MEMS MIC, sensitivity: -38dB ± 3dB battery type 18650 rated voltage 7mm. 4 V capacity 2600 mAh power parameters: input voltage/current: Micro USB DC 5 V ± 0.25 V/2 A charging current: 2 A charging time: about 3 hours standby current: less than 100 mA (successful connection, no music playback) shutdown current: product list 1 x wireless speaker 1 x user manual 1 x carabiner 1 x lanyard 1 x USB data line 1 x audio cable.
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