Product details1. listening to the song correct, support songs and call,2. remind call number, the last call back, all intelligent Chinese and English voice prompts, boot, pair, shut down the phone power will be low voice prompts;3. One to two connections, can be connected to two mobile phones at the same time4. Bluetooth headset connected to the phone after the shutdown, and then open the Bluetooth headset will connect back to the phone automatically, more convenient;5. Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook,etc., universal all mobile phoneSpecification:1. Bluetooth version: Bluetooth v5.02. Bluetooth distance: 10 meters barrier3. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol4. Powerful noise de-noising circuit (active noise reduction) 5. Talk time is about 2-3 hours 6. Music time about 1.5-2.5 hours Product details1. listening to the song correct, support songs and call,2. remind call number, the last call back, all intelligent Chinese and English voice prompts, boot, pair, shut down the phone power will be low voice prompts;3. One to two connections, can be connected to two mobile phones at the same time4. Bluetooth headset connected to the phone after the shutdown, and then open the Bluetooth headset will connect back to the phone automatically, more convenient;5. Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook,etc., universal all mobile phoneSpecification:1. Bluetooth version: Bluetooth v5.02. Bluetooth distance: 10 meters barrier3. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol4. Powerful noise de-noising circuit (active noise reduction) 5. Talk time is about 2-3 hours 6. Music time about 1.5-2.5 hours a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a