Razer Carcharias High Definition Call Support Codecs Sbc Wireless Earphones Unique Design Immersive Music Experience Description: Supported codecs: SBC, AAC Pairing communication mode: standard Ver5.0 Pairing communication distance: up to about 10m (level 2) Battery: lithium ion battery (charging bin: 270mAh, single earphone: 30mAh) Endurance: Single earphone about 6 hours, charging bin about 16 hours Charging time: about 1 hour headset, charging bin about 2 hours Waterproof performance: Headset IPX4 grade waterproof, charging compartment is not waterproof Weight: single headset about 4.5g Product size: earphone: about 23 23 20mm) charging bin: about 60 28 43mm Specifications: Couple Heart-shaped Headset Unique shape, unique ingenuity Immersive Music Experience, New Design HD Call, Open Cover Seconds Link 3D stereo surround sound effect, intelligent noise reduction call Package Included: 1 * earphone, 1 * charging bin, 1 * data cable, 1 * product manual, 4 * ear cap