■Bluetooth version: 5.0 A chip: Jerry JL6976D
■Battery: 501515 3.7v 70mAH polymer lithium battery
■Functions: make and receive calls, listen to songs, redial the call, prompt in English, switch the machine to vibrate twice, and vibrate to respond to incoming calls
■Material: ABS
■Music/Talk time: 10 hours Standby time: about 90 days
■Charging time: 60 minutes Working distance: Approximately 7m line of sight
■Support Bluetooth profile: Hands Free 1.6 Headset 1.1, A2DP 1.2, AVRCP 1.5
■Product size: 55*25*13mm (including back clip 19mm) 320mm
■Weight: 17G