EBS-906 Portable Bluetooth Neck Hanging Speaker Stereo Hands-free Calling Music Soundbox

EBS-906 Portable Bluetooth Neck Hanging Speaker Stereo Hands-free Calling Music Soundbox - Black It is lightweight and flexible while remaining durable, comfortable to wear on the neck Free your hands, a new design for a new user experience, good for cycling, housework, traveling, etc. Built-in microphone with advanced signal processing, allowing for crystal-clear voice quality during phone calls Support Bluetooth play/pause music, support TF card playback, support answering/hanging up calls Suitable for smartphones, notebooks, tablets and other devices with Bluetooth function Specification: Bluetooth version: JL V5.0+EDR Bluetooth protocol: RF5.0, BB5.0, LMP5.0, AVCTP1.4, GAVDP1.3, HFPV1.7, A2DPV1.3, AVRCPV1.6, SSP V1.2, etc Material: ABS plastic + cloth mesh + silicone tube Output power: MAX 2*3W Response frequency: 2.4GHz-2.480GHz Speaker unit: 36mm dual speakers, 3W*2, internal magnetic impedance 4Ω Signal-to-noise ratio: ≥80dB Distortion: ≤3% Sensitivity: -88dBm ±2dBm Transmission power: support CLASS1/CLASS2/CLASS3 maximum adjustable 6dBm Input voltage: DC5V Audio Type: Dual Channel Charging current: IN DC 5V 500mA ±10mA(When charging, the red light of the speaker is always on, and the red light is off when fully charged) Working current: (Battery 3.7V 1KHZ 0dBm) average 600mA Shutdown current: ≤50uA Temperature range: -25? to +65? Speaker battery: 600mAh, battery type polymer 802040(with protection board) Charging interface: Type-C Transmission distance: ≥10 meters (barrier-free) Talk time: about 8 hours Standby time: about 1200 hours Bluetooth playback 100% volume (mobile phone/speaker is 100% volume) listening time: about 6~7 hours Bluetooth playback 50~60% volume (mobile phone 50~60%/speaker 100% volume) listening time: about 13~14 hours