PLANTRONICS Bluetooth Wireless Headset (Monaural Earphone Type) M70 Only the items shown in the photos will be sent via Yu-Packet Mini. Used only a few times for a very short period. Wearing style: In-ear Headset weight: Approximately 8g Communication standard: Bluetooth Ver 3.0 Operating range: Approximately 10m radius Talk time: Up to approximately 11 hours Standby time: Up to approximately 16 days (approximately 380 hours) Features: Bluetooth Connection type: Wireless Type: Inner ear