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Battery capacity: 3.7V 30 mA
Charging time: about 2 hours
Music play time: about 4 hours (80% volume)
Talking time: about 4 hours (80% volume)
Standby time: about 30 hours for headphones
Model: E403
Weaving series
Model: E201
Model: G053
PVC series
Model: ECW-301UC
Model: E102