Weight: 18.2 Accessories included: - Silicone inserts (S, M, L)- Ear caps (S, L)- Cable holders- Charging cable- Quick start guide Other features: - Battery: Lithium-ion (built-in)- Battery life depends on the current configuration, ie: Paired devices, signal strength, temperature, selected options, call frequency, voice mail or data listening, and other background applications.- Play time: Up to 5.5 hours.- Talk time: Up to 5.5 hrs.- Standby time: Up to 250 hours