Bluetooth version: 5.0 equipped with JL AC6925F chip Battery: 300mAh capacity; charging time approx. 2 hours Usage time: up to 5 hours for calls or music Standby duration: around 200 hours Speaker unit: 40mm driver Dimensions: 203 × 175 × 80 mm; Net weight: 182g Playback options: Bluetooth / TF card / AUX input Unique design: glowing cat ear style fun and cute Voice prompt: when disconnected double-press the M button for a confirmation tone